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RandySF

(58,884 posts)
Sat Oct 4, 2014, 05:04 PM Oct 2014

Forget about Ebola. Look what the anti-vaxxers are doing to California

Almost 8,000 cases of pertussis, better known as whooping cough, have been reported to California's Public Health Department so far this year. More than 250 patients have been hospitalized, nearly all of them infants and young children, and 58 have required intensive care. Why is this preventable respiratory infection making a comeback? In no small part thanks to low vaccination rates, as a story earlier this month in the Hollywood Reporter pointed out.

Who is choosing not to vaccinate? The answer is surprising. The area with the most cases of whooping cough in California is Los Angeles County, and no group within that county has lower immunization rates than residents living between Malibu and Marina Del Rey, home to some of the wealthiest and most exclusive suburbs in the country. At the Kabbalah Children's Academy in Beverly Hills, 57% of children are unvaccinated. At the Waldorf Early Childhood Center in Santa Monica, it's 68%, according to the Hollywood Reporter's analysis of public-health data.

These are the kind of immunization rates that can be found in Chad or South Sudan. But parents in Beverly Hills and Santa Monica see vaccines as unnatural—something that conflicts with their healthy lifestyle. And they have no problem finding fringe pediatricians willing to cater to their irrational beliefs.

These parents are almost uniformly highly educated, but they are making an uneducated choice. It's also a dangerous choice: Children not vaccinated against whooping cough are 24 times more likely to catch the disease. Furthermore, about 500,000 people in the U.S. can't be vaccinated, either because they are receiving chemotherapy for cancer or immune-suppressive therapies for chronic diseases, or because they are too young. They depend on those around them to be vaccinated. Otherwise, they are often the first to suffer. And because no vaccine is 100% effective, everyone, even those who are vaccinated, is at some risk.

http://online.wsj.com/articles/paul-a-offit-the-anti-vaccination-epidemic-1411598408

56 replies = new reply since forum marked as read
Highlight: NoneDon't highlight anything 5 newestHighlight 5 most recent replies
Forget about Ebola. Look what the anti-vaxxers are doing to California (Original Post) RandySF Oct 2014 OP
I know bluestateguy Oct 2014 #1
the thing that really gets me about this people barbtries Oct 2014 #3
You just described every Republican I know, on every issue I know. CaptainTruth Oct 2014 #7
The sad thing is.... RandySF Oct 2014 #15
Whooping cough isn't as scary since it doesn't start with "eb" n/t arcane1 Oct 2014 #2
And it can be treated with a type of antibiotic. pnwmom Oct 2014 #20
Actually, it can't. jeff47 Oct 2014 #23
Not true, according to the CDC. pnwmom Oct 2014 #25
Actually, they're saying the same thing I am. jeff47 Oct 2014 #28
You've just offered your opinion, not shown any evidence for it. pnwmom Oct 2014 #29
Why bother? If evidence was at all useful on this subject then antivaxxers would not exist. jeff47 Oct 2014 #34
I didn't say whooping cough is like the common cold. A cold can't be prevented or treated pnwmom Oct 2014 #35
So now antibiotics don't miraculously cure whooping cough? jeff47 Oct 2014 #36
My last post was about the common cold. It can't be treated with antibiotics, pnwmom Oct 2014 #37
If you're going to complain about reading skills jeff47 Oct 2014 #38
This is the post you apparently overlooked. pnwmom Oct 2014 #39
The anti-vaxxers I know here in west Hollywood would also avoid antibiotics abelenkpe Oct 2014 #30
The anti-vax movement has been pretty destructive. ZombieHorde Oct 2014 #4
Are immunizations not required for school attendance? Arkansas Granny Oct 2014 #5
I imagine that ridiculous personal belief exemption has something to do with it. NuclearDem Oct 2014 #6
I wonder who they'll blame when their child falls ill with a preventable disease. Arkansas Granny Oct 2014 #9
They'll convince themselves it would have happened anyway. Mariana Oct 2014 #13
Probably "toxins" or some other nonsense. NuclearDem Oct 2014 #19
I know of public school districts in the Bay Area that allow exemptions. RandySF Oct 2014 #22
I thought they were but a note just came home from my kids school abelenkpe Oct 2014 #32
Yes RandySF Oct 2014 #56
you must be vaccinated barbaraj Oct 2014 #8
I'm a huge fan of Dr. Paul Offit... SidDithers Oct 2014 #10
There's an entire industry of this stuff, from Infowars to 'mom' websites. freshwest Oct 2014 #11
Vaccines... oh, the terrible things they are.... moriah Oct 2014 #12
Penn and Teller did a brilliant look at the anti-vaxxers... Archae Oct 2014 #14
And I bet the well-to-do have more exposure to disease, with all the travelling they do. DebJ Oct 2014 #16
Pertussis was highest in the S.F. Bay Area as of June ... Auggie Oct 2014 #17
57% of children are unvaccinated!? progressoid Oct 2014 #18
Dr. Mercola should be in jail or at least forced to face the children who catch these illnesses Quixote1818 Oct 2014 #21
It's amusing that antivaxxers cite profit as the motive for vaccines jeff47 Oct 2014 #26
PROFIT? WTF? I am pretty sure vaccines are a loss of revenue. alphafemale Oct 2014 #42
Good info. Quixote1818 Oct 2014 #43
And Jonas Salk refused to patent the Polio vaccine. alphafemale Oct 2014 #44
Best post of the night! Quixote1818 Oct 2014 #45
Thank you. alphafemale Oct 2014 #47
They make money on the vaccines, but make less than caring for the disease jeff47 Oct 2014 #50
I may be mistaken but I got the impression you two were on the same page Quixote1818 Oct 2014 #53
good CNN video about this here... TorchTheWitch Oct 2014 #24
It used to be jeff47 Oct 2014 #27
My well to do, antivaxxer, fundy sister's whole family came down with whooping cough last winter. Sedona Oct 2014 #31
I think this stupidity transcends indeology. RandySF Oct 2014 #33
K&R Mister Nightowl Oct 2014 #40
Ah but it's so awesome defacto7 Oct 2014 #41
You just described my sister-in-law to the tee! Quixote1818 Oct 2014 #46
whenever people disagree barbaraj Oct 2014 #48
Except... Archae Oct 2014 #49
No. Anti-vax asshats are not partially right... SidDithers Oct 2014 #52
It is quickly cleared up with scientific facts. jeff47 Oct 2014 #54
cdc.gov offers this ..it's been going on before the anti vaxers.. barbaraj Oct 2014 #55
damn rich peeps can be underthematrix Oct 2014 #51

bluestateguy

(44,173 posts)
1. I know
Sat Oct 4, 2014, 05:23 PM
Oct 2014

I have friends who live in these yuppie enclaves of California. They are scared shitless of how the anti-vaxxers have put everybody else's children at risk with their junk science and New Age garbage.

barbtries

(28,798 posts)
3. the thing that really gets me about this people
Sat Oct 4, 2014, 06:00 PM
Oct 2014

is how proud they are of their imbecilic choice and how unmoved they are by how many other people (not to mention their own children) they endanger with their imbecilic choice.

jeff47

(26,549 posts)
23. Actually, it can't.
Sun Oct 5, 2014, 12:51 AM
Oct 2014

The antibiotic is used because it reduces transmission of the disease - the sick person has a harder time spreading it thanks to the antibiotic. It has very little effect on the disease in their body.

So it's entirely up to the sick person's immune system to fight off pertussis. A healthy 8-year-old will do so in about 3 months. An infant has a good chance of suffocating, thanks to the coughing. An immunocompromised 8-year-old....let's just say they will have a very unpleasant time.

pnwmom

(108,979 posts)
25. Not true, according to the CDC.
Sun Oct 5, 2014, 12:58 AM
Oct 2014

And it very quickly ended the cough in my niece who had it at age 10 (the old vaccine couldn't be given to older children and her infant vaccines had worn off).

Also, up to 90% of people will spontaneously clear pertussis even without treatment. It is deadly, however, for infants, which is why we need the vaccines.

From the CDC:

http://www.cdc.gov/mmwr/preview/mmwrhtmL/rr5414a1.htm

Maintaining high vaccination coverage rates among preschool children, adolescents, and adults and minimizing exposures of infants and persons at high risk for pertussis is the most effective way to prevent pertussis. Antibiotic treatment of pertussis and judicious use of antimicrobial agents for postexposure prophylaxis will eradicate B. pertussis from the nasopharynx of infected persons (symptomatic or asymptomatic). A macrolide administered early in the course of illness can reduce the duration and severity of symptoms and lessen the period of communicability (35). Approximately 80%--90% of patients with untreated pertussis will spontaneously clear B. pertussis from the nasopharynx within 3--4 weeks from onset of cough (36); however, untreated and unvaccinated infants can remain culture-positive for >6 weeks (37). Close asymptomatic contacts (38) (Box 3) can be administered postexposure chemoprophylaxis to prevent secondary cases; symptomatic contacts should be treated as cases.

Erythromycin, a macrolide antibiotic, has been the antimicrobial of choice for treatment or postexposure prophylaxis of pertussis. It is usually administered in 4 divided daily doses for 14 days. Although effective for treatment (Table 1) and postexposure prophylaxis (Table 2), erythromycin is accompanied by uncomfortable to distressing side effects that result in poor adherence to the treatment regimen. During the last decade, in vitro studies have demonstrated the effectiveness against B. pertussis of two other macrolide agents (azithromycin and clarithromycin) (57--64). Results from in vitro studies are not always replicated in clinical studies and practice. A literature search and review was conducted for in vivo studies and clinical trials that were conducted during 1970--2004 and used clarithromycin or azithromycin for the treatment and prophylaxis of pertussis (Table 3). On the basis of this review, guidelines were developed to broaden the spectrum of macrolide agents available for pertussis treatment and postexposure prophylaxis and are presented in this report to update previous CDC recommendations (71). Treatment and postexposure prophylaxis recommendations are made on the basis of existing scientific evidence and theoretical rationale.





jeff47

(26,549 posts)
28. Actually, they're saying the same thing I am.
Sun Oct 5, 2014, 01:10 AM
Oct 2014
A macrolide administered early in the course of illness can reduce the duration and severity of symptoms and lessen the period of communicability

The antibiotic makes it less contageous, "lessen the period of communicability".

It has little effect in the patient - "can reduce the duration and severity of symptoms". The qualifier "can" is in there because it has been shown to reduce symptoms in a small number of patients, but not in most patients.

Also, up to 90% of people will spontaneously clear pertussis even without treatment.

Yes. Over about 3 months. It used to be called "the 100 day cough".

pnwmom

(108,979 posts)
29. You've just offered your opinion, not shown any evidence for it.
Sun Oct 5, 2014, 01:15 AM
Oct 2014

Also, you're ignoring the fact that it is most useful early in the course of the illness and is often given as a preventative measure in people who have been exposed to someone with pertussis. Thanks to the antibiotic, they are much less likely to come down with pertussis themselves.

You haven't demonstrated that it's comparable to Ebola, which has been killing 70% of the people infected with it. They're not clearing it from their systems in 3 months or ever.

jeff47

(26,549 posts)
34. Why bother? If evidence was at all useful on this subject then antivaxxers would not exist.
Sun Oct 5, 2014, 01:23 AM
Oct 2014

Here's my go-to write up for antivaxxers. Myth 7 covers your belief that whooping cough is just like a common cold. Enjoy.
http://www.mamamia.com.au/news/vaccination-myths-busted-by-science-cheat-sheet-on-immunisation/

pnwmom

(108,979 posts)
35. I didn't say whooping cough is like the common cold. A cold can't be prevented or treated
Sun Oct 5, 2014, 01:25 AM
Oct 2014

with antibiotics, and a cold doesn't last nearly as long as pertussis, or carry the same risk to an infant.

jeff47

(26,549 posts)
36. So now antibiotics don't miraculously cure whooping cough?
Sun Oct 5, 2014, 01:29 AM
Oct 2014

Golly, who wrote this then?

And it very quickly ended the cough in my niece who had it at age 10 (the old vaccine couldn't be given to older children and her infant vaccines had worn off).


Or this:
Thanks to the antibiotic, they are much less likely to come down with pertussis themselves.

You haven't demonstrated that it's comparable to Ebola, which has been killing 70% of the people infected with it. They're not clearing it from their systems in 3 months or ever.

Huh....odd that apparently it's perfectly OK to insist I'm claiming it's like ebola, despite never typing "ebola" until now. Yet pointing out you are claiming it's a minor disease that goes away quickly in all but infants thanks to miracle cures is somehow a bad thing.

pnwmom

(108,979 posts)
37. My last post was about the common cold. It can't be treated with antibiotics,
Sun Oct 5, 2014, 01:33 AM
Oct 2014

but pertussis can.

Your reading skills leave something to be desired.

The initial post I was responding to -- before you decided to jump in the thread -- was about Ebola. If you're going to jump in, at least take the time to figure out what the thread is about.

jeff47

(26,549 posts)
38. If you're going to complain about reading skills
Sun Oct 5, 2014, 01:39 AM
Oct 2014

you should have good enough reading skills to realize that similes are not literal. When discussing severity, using a simile "It's like the common cold" would mean comparing severity. Ya know, the subject at hand. Not the literal cause of the disease, which is an lovely attempt to divert away from your claims that whooping cough is a minor disease that clears up quickly.

Secondly, if you want to talk about your massive reading skills, you should probably also have noticed that the OP was saying we should stop freaking out so much about ebola, and instead discuss these other, much more common diseases. In fact, your superior reading skill should have noticed that "Ebola" appears exactly once in the OP. Thus absolutely nowhere in this thread was anyone saying whopping cough is as bad of a disease as ebola. Until you attacked me claiming I did.

In other words, you are now attacking me for something I didn't do with an air of superiority in an attempt to disguise that you were wrong.

And I'm done wasting my time with you.

pnwmom

(108,979 posts)
39. This is the post you apparently overlooked.
Sun Oct 5, 2014, 01:44 AM
Oct 2014

In case you can't figure it out, by eb, the person was obviously referring to Ebola, and making the comparison to pertussis.

http://www.democraticunderground.com/?com=view_post&forum=1002&pid=5621553

abelenkpe

(9,933 posts)
30. The anti-vaxxers I know here in west Hollywood would also avoid antibiotics
Sun Oct 5, 2014, 01:17 AM
Oct 2014

They are rich, educated and dumb as rocks on this subject.

ZombieHorde

(29,047 posts)
4. The anti-vax movement has been pretty destructive.
Sat Oct 4, 2014, 06:08 PM
Oct 2014

Jenny McCarthy must be very good at persuasive speaking to convince so many people she knows more about medicine than doctors all over the world.

Mariana

(14,857 posts)
13. They'll convince themselves it would have happened anyway.
Sat Oct 4, 2014, 07:02 PM
Oct 2014

Maybe they'll even go so far as to claim it would have been even worse if the child had had the vaccine. These aren't rational people.

RandySF

(58,884 posts)
22. I know of public school districts in the Bay Area that allow exemptions.
Sun Oct 5, 2014, 12:41 AM
Oct 2014

Ironically, my son's Catholic School will not let any kid though the doors with updated vaccinations.

abelenkpe

(9,933 posts)
32. I thought they were but a note just came home from my kids school
Sun Oct 5, 2014, 01:21 AM
Oct 2014

That one of the students has the measles warning to look out for symptoms and that any kid who gets them will be sent home. Can someone who has been vaccinated get the measles?

barbaraj

(80 posts)
8. you must be vaccinated
Sat Oct 4, 2014, 06:26 PM
Oct 2014

against pertussis during every pregnancy. That is the current CDC statement.
whooping cough vaccine is too weakened to work for more than a short period of time

if you are a duggar that could mean every year..
http://www.cnn.com/video/data/2.0/video/bestoftv/2014/10/03/cnn-tonight-parents-decline-vaccination.cnn.html

SidDithers

(44,228 posts)
10. I'm a huge fan of Dr. Paul Offit...
Sat Oct 4, 2014, 06:30 PM
Oct 2014

he's a leading proponents of childhood vaccination, and an outspoken critic of anti-vaxxers.

His credentials are impeccable. This is a man that should be listened to, on the topic of vaccines.

Paul A. Offit is an American pediatrician specializing in infectious diseases and an expert on vaccines, immunology, and virology. He is the co-inventor of a rotavirus vaccine that has been credited with saving hundreds of lives every day. Offit is the Maurice R. Hilleman Professor of Vaccinology, Professor of Pediatrics at the University of Pennsylvania, Chief of the Division of Infectious Diseases, and the Director of the Vaccine Education Center at The Children's Hospital of Philadelphia. He has been a member of the Centers for Disease Control (CDC) Advisory Committee on Immunization Practices. Offit is a Board Member of Every Child By Two and a Founding Board Member of the Autism Science Foundation (ASF).


http://en.m.wikipedia.org/wiki/Paul_Offit



Anti-vax asshat RFK Jr calls Paul Offit a "biostitute" (rhymes with prostitute), and said "I would do a lot to see Paul Offit and all these good people behind bars,” he said, ... They should be in jail and the key should be thrown away.”

Thanks for posting the article.

Sid

DebJ

(7,699 posts)
16. And I bet the well-to-do have more exposure to disease, with all the travelling they do.
Sat Oct 4, 2014, 08:01 PM
Oct 2014

My daughter and her husband are very well-off, and of course then so is the rest of their neighborhood...
and the daycare children's parents... and everyone is constantly getting on a plane... bringing back germs.

I figure either my grandchildren will end up immune to most everything... or something will kill them first.
They are vaccinated.

Auggie

(31,172 posts)
17. Pertussis was highest in the S.F. Bay Area as of June ...
Sat Oct 4, 2014, 08:05 PM
Oct 2014

according to the S.F. Chronicle (June 13, 2014)

California health officials declared a whooping cough epidemic in the state Friday after what they said was an unexpected surge of cases.

More than 900 new cases of the illness, also known as pertussis, were reported in both April and May, well above normal, officials said in a statement. Overall, 3,458 cases and one death have been reported this year, they said.

Whooping cough is a highly contagious bacterial disease that primarily affects infants and children.

Marin, Sonoma and Napa counties have the state's highest infection rates. San Francisco County's count is at 36, with two school outbreaks, no hospitalizations and no infant infections to date.


http://www.sfgate.com/health/article/State-declares-whooping-cough-epidemic-5551631.php

Quixote1818

(28,943 posts)
21. Dr. Mercola should be in jail or at least forced to face the children who catch these illnesses
Sun Oct 5, 2014, 12:11 AM
Oct 2014

because fucking idiot, ass-holes like him misinform the public for financial gain.

jeff47

(26,549 posts)
26. It's amusing that antivaxxers cite profit as the motive for vaccines
Sun Oct 5, 2014, 01:05 AM
Oct 2014

yet they ignore profit as a motive in their movement. Wakefield would have made hundreds of millions of dollars off of his replacement for the MMR vaccine.

 

alphafemale

(18,497 posts)
42. PROFIT? WTF? I am pretty sure vaccines are a loss of revenue.
Sun Oct 5, 2014, 03:57 AM
Oct 2014

Widely available at cost or in many cases if you count that they supply this worldwide it is a loss.

Big Pharms are corporate whores but vaccines are not a part of that.



 

alphafemale

(18,497 posts)
44. And Jonas Salk refused to patent the Polio vaccine.
Sun Oct 5, 2014, 04:31 AM
Oct 2014

Even if he'd have asked just one tenth on a penny off every vaccine he and his progeny would have had wealth beyond imagination.

There are people that give their best efforts for things other than monetary profits.

We are not all motivated by greed.

Quixote1818

(28,943 posts)
45. Best post of the night!
Sun Oct 5, 2014, 04:38 AM
Oct 2014

I actually got a bit of a tear in my eye from what you just said. Thanks for that! Wonder what he would want to say to someone like Mercola who is killing people with bad advice and making a lot of money doing so?
 

alphafemale

(18,497 posts)
47. Thank you.
Sun Oct 5, 2014, 08:44 AM
Oct 2014

Jonas Salk is a hero of mine.

Can you imagine the reception anti-vaxers would have received in 1962?



jeff47

(26,549 posts)
50. They make money on the vaccines, but make less than caring for the disease
Sun Oct 5, 2014, 04:36 PM
Oct 2014

Let's say they make the same profit off one dose of a vaccine, or one dose of a treatment medication. A fairly reasonable assumption for anything that isn't extremely new.

Children get something like one to three doses of a vaccine. Treating the condition that the vaccine prevents would take dozens of doses of medication. So yes, profit motive favors treatment instead of vaccination.

But my point was the same people that insist profit is driving evil companies to push vaccines turn around and ignore profit when discussing their prophets.

Quixote1818

(28,943 posts)
53. I may be mistaken but I got the impression you two were on the same page
Sun Oct 5, 2014, 04:52 PM
Oct 2014

for the most part. You both made really excellent points.

TorchTheWitch

(11,065 posts)
24. good CNN video about this here...
Sun Oct 5, 2014, 12:55 AM
Oct 2014
http://www.cnn.com/video/data/2.0/video/us/2014/10/03/ctn-pkg-lah-californias-wealthiest-anti-vaccine.cnn.html

Funny, I just watched it a few minutes ago, and it's the first I've heard of it. I always figured whooping cough was like polio - something that people only got long before I was born.

jeff47

(26,549 posts)
27. It used to be
Sun Oct 5, 2014, 01:06 AM
Oct 2014
I always figured whooping cough was like polio - something that people only got long before I was born.

It used to be....

Sedona

(3,769 posts)
31. My well to do, antivaxxer, fundy sister's whole family came down with whooping cough last winter.
Sun Oct 5, 2014, 01:17 AM
Oct 2014

Her step daughter's infant son went into respiratory arrest, had to be rushed to the hospital and nearly died. Her four other sons all under ten years old were sick with it too.

My sister and niece were coughing for near six months. She lied to my whole family (including my elderly parents) about what they had, exposing them and who knows how many other people in their South Florida mega church.

No remorse, none. It's all Gawd's will. The Flat Earth Society is alive and well.

(hey 2000th post)

RandySF

(58,884 posts)
33. I think this stupidity transcends indeology.
Sun Oct 5, 2014, 01:23 AM
Oct 2014

I read that deep blue Malibu has seen a developing-world level increase in these preventable diseases.

defacto7

(13,485 posts)
41. Ah but it's so awesome
Sun Oct 5, 2014, 03:12 AM
Oct 2014

to be a person who is above the rest. One that knows the truth especially when the majority disagree. To be a person who has that warmth in their heart that their personal science can save the world because... because... they just know so. And no one can change their mind because they're right, period. And they just wanna do it their way because everyone else is lying. They'll show the world the right way.


(sarc~~~~)

Quixote1818

(28,943 posts)
46. You just described my sister-in-law to the tee!
Sun Oct 5, 2014, 04:59 AM
Oct 2014

There is no reasoning with them period! I could drill how hardcore the peer review process is into her head for a year, have Nobel winning scientists cite paper after paper and it would not make a dent in the ignorance, lack of understanding and stubborn attitude that she was born with. Reminds me of this video:

barbaraj

(80 posts)
48. whenever people disagree
Sun Oct 5, 2014, 11:02 AM
Oct 2014

with something that should be cleared up quickly with scientific facts...yet can't be...maybe they should consider each other as partially right..instead of being so certain they own the truth.

Archae

(46,328 posts)
49. Except...
Sun Oct 5, 2014, 12:51 PM
Oct 2014

Just try using that tactic with Global Climate Change deniers.

Or creationists.

Or germ theory deniers like Bill Maher.

These people are 100% dead wrong.
They have no evidence, just a blind belief.

Are they "partially right?"
Obviously, no.

Anti-vaxxers are not "partially right" either.
They are 100% dead wrong.

jeff47

(26,549 posts)
54. It is quickly cleared up with scientific facts.
Sun Oct 5, 2014, 05:09 PM
Oct 2014

And the scientific facts back up vaccinations.

That isn't the answer the antivaxxers want. So they reject scientific facts in favor of their personal beliefs.

barbaraj

(80 posts)
55. cdc.gov offers this ..it's been going on before the anti vaxers..
Sun Oct 5, 2014, 05:22 PM
Oct 2014

and has gotten worse since the dtap..
Why are reported cases of pertussis increasing?
A: Since the early 1980s, there has been an overall trend of an increase in reported pertussis cases. Pertussis is naturally cyclic in nature, with peaks in disease every 3-5 years. But for the past 20-30 years, we've seen the peaks getting higher and overall case counts going up. There are several reasons that help explain why we're seeing more cases as of late. These include: increased awareness, improved diagnostic tests, better reporting, more circulation of the bacteria, and waning immunity.
When it comes to waning immunity, it seems that the acellular pertussis vaccine (DTaP) we use now may not protect for as long as the whole cell vaccine (DTP) we used to use. Throughout the 1990s, the US switched from using DTP to using DTaP for infants and children. Whole cell vaccines are associated with higher rates of minor and temporary side effects such as fever and pain and swelling at the injection site. Rare but serious neurologic adverse reactions including chronic neurological problems rarely occurred among children who had recently received whole cell vaccines. While studies have had inconsistent results that the vaccine could cause chronic neurological problems, public concern in the US and other countries led to a concerted effort to develop a vaccine with improved safety. Due to these concerns, along with the availability of a safe and effective acellular vaccine, the US switched to acellular pertussis vaccines.

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