2019 measles epidemic still going strong – the MMR vaccine stops it

2019 measles epidemic

As of 10 May 2019, the CDC has reported 839 cases in the 2019 measles epidemic – the vast majority of these individuals were unvaccinated. As a result, this year is the worst for measles in the USA since 1994, just prior to the startup of the Vaccines for Children Program (VCP) that provides free vaccines to US children.

VCP was passed into law as a consequence of another measles epidemic, from  1989-91, that resulted in over 55,000 reported cases of measles, 11,000 measles-related hospitalization, and 123 deaths. It’s amazing what vaccines can do. Continue reading “2019 measles epidemic still going strong – the MMR vaccine stops it”

HPV prevalence drops by 86% since introduction of vaccine

hpv prevalence

Ten years after the introduction of the human papillomavirus (HPV) vaccine in the USA in 2006, HPV prevalence has dropped significantly in a new study from the Centers for Disease Control and Prevention (CDC). This is very encouraging research that further strengthens the evidence behind the effectiveness of the HPV vaccine.

One of the tropes pushed by the anti-vaccine religion is that we don’t know if the vaccine actually will prevent an HPV infection after 10 years. Well, now we know. 

Let’s take a look at the study on HPV prevalence in the USA. Continue reading “HPV prevalence drops by 86% since introduction of vaccine”

Vaccination informed consent – more anti-vaccine rhetoric from ICAN

In a misleading “White Paper,” the anti-vaccine organization, Informed Consent Action Network (ICAN) argued that “eliminating vaccine exemptions and curtailing criticism is unethical and un-American” because, they argue, it invalidates vaccination informed consent. The initial statement is wrong, and the arguments brought to support it are wrong. This article corrects the record. Continue reading “Vaccination informed consent – more anti-vaccine rhetoric from ICAN”

US measles epidemic hits highest level in 25 years – blame vaccine refusal

The Centers for Disease Control and Prevention (CDC) has reported that as of 24 April 2019 there have been 695 measles cases reported in 22 states. This makes 2019 (which is just 4 months old) the worst year for measles since 1994, when there were 963 cases for all 12 months.

In 2000, the CDC had stated that measles was eradicated in the USA. But as a result of fears and misinformation about the MMR vaccine, which protects against measles, mumps, and rubella, vaccination rates have dropped allowing measles to again attack children. Continue reading “US measles epidemic hits highest level in 25 years – blame vaccine refusal”

Vaccines and autism – robust, powerful science says they are unrelated

vaccines and autism

Vaccines and autism are not linked or associated according to real science, published in real scientific journals written by top scientists and physicians.

But this false claim is in the news again. Probably as a result of reports that more and more children are being diagnosed with autism spectrum disorders. So let’s take a look at the science.

On 26 April 2018, the United States Centers for Disease Control and Prevention (CDC) announced that new data showed a continued rise in the number of children diagnosed with autism spectrum disorder (ASD). ASD is considered to be a disorder of neural development, usually appearing before the age of 3 years, characterized by impaired social interaction and verbal and non-verbal communication, and by restricted, repetitive or stereotyped behavior.

Predictably, the anti-vaccine community jumped on this information (despite their hatred of the CDC) to make unfounded claims, not backed by science, that this was all the fault of vaccines. Of course.

Continue reading “Vaccines and autism – robust, powerful science says they are unrelated”

Doctors once said that “smoking is safe” – another anti-vaccine myth

smoking is safe

If you hang around discussions about vaccines, you will see the oft-repeated claim that doctors once claimed that “smoking is safe.” The anti-vaccine religion (or terrorists) use this trope as a strawman argument in an attempt to discredit physicians, scientists and the Centers for Disease Control and Prevention (CDC) who claim that vaccines are safe and effective.

Anti-vaxxers really lack much evidence to support their science-denying arguments against the settled science regarding the safety and effectiveness of vaccines. Thus, they have to rely upon misinformation, tropes, and lies to make arguments that vaccines are something. 

I would laugh at this “smoking is safe” claim, except it’s used to dissuade parents from trusting wonderful organizations like the CDC, which only has one goal, to protect lives from diseases. So, let’s debunk this anti-vaccine myth because that’s what we do around here. Continue reading “Doctors once said that “smoking is safe” – another anti-vaccine myth”

2018-19 flu vaccine effectiveness – interim CDC report

2018-19 flu vaccine effectiveness

The CDC recently issued an interim report on the 2018-19 flu vaccine effectiveness. Usually, after these reports, there are all kinds of consternation from everyone with a stake in the seasonal flu vaccine.

Last year, the flu vaccine effectiveness was a challenge. Typically, the anti-vaccine religion (or terrorists) massively understated the effectiveness of last year’s vaccine, despite good evidence that, although it wasn’t great, it was fairly good against most subtypes of flu.

Vaccine effectiveness is an important measurement to determine how many individuals who are vaccinated against the flu are actually protected from the infection by the vaccine. Despite the wild pseudoscientific claims about various flu treatments, the best preventive tool against influenza and influenza-related diseases, complications, and deaths are flu vaccines.

Preliminary statistics showing the burden of flu this year.

 

Well, let’s get the facts straight with what we know so far about the 2018-19 flu vaccine effectiveness. Continue reading “2018-19 flu vaccine effectiveness – interim CDC report”

CDC whistleblower – zombie anti-vaccine trope still lives

CDC whistleblower

Today is Valentine’s Day, 2016. For many of you, it’s all about roses and chocolates. But for a bunch of us, it’s all about The Walking Dead and zombies. And in honor of the return of The Walking Dead, let’s talk about zombie anti-vaccine tropes that never die – the infamous CDC whistleblower oh my.

If you haven’t noticed, any time I can tie something I’m writing to zombies or The Walking Dead, I’m happy. So bear with me.

The antivaccination cult, lacking any real evidence for their unscientific beliefs, tend to grab on tightly to the flimsiest of stories. They love to scream “GOTCHA” to anything that shows up on the internet that puts vaccines in a bad light. A few years ago, they were jumping for joy regarding some comments from Dr. Diane Harper, who was promoted by the antivaccination crowd as the “lead researcher” for Gardasil. Except, the story was a lot different than they claimed.

Or promoting an “Italian court” that decided that MMR caused autism, relying upon the discredited and retracted study by one of the greatest scientific criminal frauds of the past 100 yearsMrAndy Wakefield, who alleged a connection between the MMR vaccine and autism.

Or trying to push the story of a French businessman, who claimed to have intimate knowledge of Merck’s data about Gardasil–all of it negative. Except he never worked in Merck’s R&D department and was made redundant when his company was acquired by Merck.

So what now? What zombie trope has come alive again?
Continue reading “CDC whistleblower – zombie anti-vaccine trope still lives”

Vaccine coverage in USA remains high, but refusal has increased

vaccine coverage

Annually, the US Centers for Disease Control and Prevention publishes reports on vaccine coverage in the country. This year, they produced two reports – one describing vaccine coverage for children 19-35 months old, and a second one discussing vaccination coverage for children entering kindergarten.

Although vaccine coverage remains quite high across most vaccines and hasn’t changed much over the past few years, there is a bit of troubling news. A tiny, but increasing number of children in the country are not getting some or all of their recommended vaccines as a result of parental refusal to vaccinate their children. In fact, the percentage of children under 2 years old who have received none of the recommended vaccines has quadrupled since 2001.

Vaccine coverage – 19-35 months old

The first study by Holly A Hill, MD Ph.D. et al., published in the Morbidity and Mortality Weekly Report, examine vaccine coverage for Advisory Committee on Immunization Practices (ACIP) recommended vaccines in children born in 2015.

For some of the vaccines, the vaccination coverage exceeded 90%:

Unfortunately, for some ACIP-recommended vaccines, the coverage lagged:

There are a few key observations about this data. First, despite the false claims about the MMR vaccine being linked to autism, the vaccine coverage for MMR remains at historically high levels. On the other hand, hepatitis B vaccine coverage, especially at birth, is too low, despite that the fact that these vaccines are important for cancer prevention.

Vaccine coverage by state also showed some interesting information – Massachusetts has the highest vaccination rates for children born in 2015 of all states. The City of New York, considered a “state” for the purposes of this study, had the lowest rate.

However, it is troubling that, even though the proportion of children who received no vaccines by age 24 months, it has increased from 0.3% for children born in 2001 to 0.9% for children born in 2011 to 1.3% for children born in 2015. This works out to be over 100,000 children born in 2015 who aren’t vaccinated against 14 dangerous and deadly diseases. This is worrisome.

Although I do not want to give credit to the anti-vaccine religion for causing this troubling increase in vaccine refusal. The internet is filled with ignorant and scientifically inaccurate information about vaccines. Quora, where individuals can ask questions about almost anything, is filled with individuals asking questions about vaccines in good faith. Although 95% of the answers are scientifically and medically accurate, there are many individuals who use misinformation, ignorance, and outright lies to scare people about vaccines.

Eventually, this can lead to the point, where the overall vaccine coverage will drop below the level to maintain the herd effect. At that point, there are insufficient numbers of immunized people to block the spread of an outbreak or epidemic of these vaccine-preventable diseases.

On the other hand, the study points out that part of the lack of vaccination may be a result of an ongoing issue with the USA – the lack of universal health insurance, especially for the poor. This study showed that 17.2% of unvaccinated children were uninsured compared to 2.8% of all children. Looking at the data from another direction, over 7% of uninsured children were unvaccinated compared to only 1.0% of children on Medicaid and 0.8% of children on private health insurance.

This is one of the great moral failings of the country. However, there really are no reasons why any child in the USA is denied vaccines. The Vaccines for Children Program provides free vaccines for all children in the USA who otherwise have no insurance coverage. The program has saved hundreds of thousands of lives over the past 20 years.

Vaccine coverage – kindergartners

A second report, by Jenelle L Mellerson et al. and published in the Morbidity and Mortality Weekly Report, examined vaccine coverage for children entering kindergarten in 2017. The good news is that, despite somewhat lower vaccination rates in states like DC, Idaho, and Colorado, the overall vaccine coverage for the major vaccines is well over 90% for kindergartners.

The researchers found that the exemption rate was low, about 2.2%. Unfortunately, it was the third consecutive school year that a slight increase noted. The 2.2% exemption rate during the 2017-18 school year was up from 2.0% in 2016-17, and 1.9% in 2015-16.

The study does not provide a breakdown between medical (where there is a valid medical reason to not vaccinate a child with one or more vaccines) and non-medical exemptions. The non-medical exemptions, often called “personal belief” exemptions are simply refusing to vaccinate a child because of a variety of reasons – religious (no religion is opposed to vaccines) or because “we don’t like vaccines.” Most exemptions are of the non-medical variety.

Only a few states disallow these personal belief exemptions – California, Mississippi, and West Virginia. Unsurprisingly, California and Mississippi have the lowest non-medical exemption rates in the USA, at less than 0.1%. Unfortunately, California has an issue where unethical physicians are giving out (or even selling) non-medical exemptions for parents who want to put their children in danger of vaccine-preventable diseases.

Summary

These two studies show us two dangerous trends – first, too many very young children are going unvaccinated because of parental ignorance or lack of health insurance. And second, too many parents are putting their children at risk of vaccine-preventable diseases by requesting non-medical exemptions.

However, despite the pseudoscientific lies of the hysterical anti-vaccine religion, nearly 95% of children are vaccinated before they enter school. Unlike the anti-vaccine zealots, who seem to dismiss a few thousand cases of cancer or deaths from measles as unimportant or trivial, most of us on the pro-science side of vaccines want all children protected from dangerous and deadly diseases. That’s why we fight to make sure every single child is vaccinated.

Why aren’t you making sure that your children are protected from vaccine-preventable diseases?

Citations



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Sexual promiscuity and the HPV vaccine – debunking an ignorant myth

sexual promiscuity and the HPV vaccine

There is a myth pushed by the anti-vaccine religion that the HPV vaccine leads to sexual promiscuity. I’ve debunked this fable previously, using peer-reviewed research, but you know the anti-vaccine zombie tropes – they never really die, and they always come back to life.

Let’s look at a couple of new studies that, once again, debunk the myth that sexual promiscuity is linked to the HPV vaccine. There is no link. Period. Full stop. Continue reading “Sexual promiscuity and the HPV vaccine – debunking an ignorant myth”