Questions tagged [vaccines]

a substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease.

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86
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Do COVID-19 vaccines cause two deaths for every three deaths they prevent?

There is this new study that came out, alleging, that COVID-19 vaccines cause two deaths for every three deaths they prevent, which sounds pretty bad. I was wondering how valid this analysis is and ...
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Are there vaccine ingredients which may not be disclosed ("hidden", "trade secret", or similar)?

I sometimes encounter people claiming that there are ingredients in vaccines that can be kept secret by the manufacturer. I would be surprised to hear this, because the manufacturers have to conduct ...
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Did Germany's Supreme Court rule that the measles virus didn't exist?

Paul Fassa writes in German Supreme Court Upholds Biologist’s Claim that Measles Virus Does Not Exist: At first it appeared he had lost. But Dr. Lanka took his loss to a higher court with more ...
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Is the COVID-19 vaccine 50 times more likely to kill young people than COVID-19 itself?

Michael Yeadon, a former vice president at Pfizer and lately known as, e.g., making unsubstantiated claims about covid vaccinations, has made the claim in question in a video interview (archived ...
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Are most cases of polio derived from the polio vaccine?

According to this National Public Radio article: For the first time, the number of children paralyzed by mutant strains of the polio vaccine are greater than the number of children paralyzed by polio ...
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Were only 10% of the population vaccinated against smallpox?

This image attributes a quote to Glen Dettman: "It is pathetic and ludicrous to say we ever vanquished smallpox with vaccines, when only 10% of the population was vaccinated." - Glen Dettman A.M....
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Does a pear contain 600 times more formaldehyde than a vaccine?

There is a common pro-vaccination argument that attempts to equate the amount of formaldehyde injected into the body when receiving a vaccine, with the amount of formaldehyde ingested into the GI ...
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Are people with a PhD least likely to be vaccinated in the US?

According to Unherd's summary of a CMU study [Title:] The most vaccine-hesitant group of all? PhDs [...] more surprising is the breakdown in vaccine hesitancy by level of education. It finds that the ...
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Do people with flu shots shed the influenza virus more than those who aren't vaccinated?

This 2018 Collective Evolution article claims: Once recent study, however, did bother to look at the question of whether the vaccine prevents transmission. Published on January 18, 2018, in the ...
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Is the decline in polio symptoms directly caused by the banning of pesticides such as DDT?

According to Forest Maready's "The Moth in the Iron Lung" and several other sites brought to my attention by social media posts, the poliovirus wasn't as virulent as thought. Claims by the ...
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Does the third dose of a COVID-19 vaccine "boost antibody levels"?

On June 30, 2021, the Turkey Health Ministry announced the availability of a 3rd dose of the COVID-19 vaccine for certain categories of people (namely, medical workers and those older than 50). The ...
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Have more deaths occurred after Covid-19 vaccines than from vaccine injuries in the previous 15 years in total?

Health Impact News claims that many people are dying of COVID-19 vaccine injuries. Side by side comparison of 15 years of recorded vaccine injuries and deaths vs. 4 months of recorded COVID vaccine ...
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Are vaccinated children significantly less healthy than the unvaccinated, as recent study claims?

In their 2020 study termed "Relative Incidence of Office Visits and Cumulative Rates of Billed Diagnoses Along the Axis of Vaccination" [full text], appearing in the International Journal of ...
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Can an RNA vaccine change your DNA permanently?

I was sent this recent Food For Thought YouTube video. It contains a number of wild claims about vaccinations. In particular, it contains snippets of edited, unsourced footage of Bill Gates saying: ...
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Is the number of childhood vaccines correlated with infant mortality?

Related Just how inaccurate are vaccine myths? Is it dangerous to have several vaccines at the same time? I was passed along an article reporting that a new study found that despite having the ...
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Are unusually many people dying after being vaccinated for COVID-19?

On May 6, 2021, Fox News host Tucker Carlson said: We all assume the risks are negligible. Vaccines aren’t dangerous. That’s not a guess, we know that pretty conclusively...Every flu season, we give ...
42
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Is it dangerous to have several vaccines at the same time?

As a parent, I often hear people say that they think it's bad for their children to have several vaccines in one go. Some parents pay for some vaccines to be given separately, and I wondered if there ...
42
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Did Louis Pasteur keep a gun in the laboratory while developing the rabies vaccine?

Is it true that while developing the vaccine for rabies Louis Pasteur kept a gun in his laboratory and had instructed all his lab assistants to shoot anyone in the head who accidentally got infected ...
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Are the mRNA vaccines from Pfizer and Moderna vegan?

The mRNA vaccines from both Pfizer and Moderna contain cholesterol. On the website for the UK National Health System NHS we may read: The COVID-19 vaccines do not contain egg or animal products. ...
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Did Gandhi call vaccination a barbarous practice?

While searching for a different image on Google, I came across this: The text in the image reads: Vaccination is a barbarous practice and one of the most fatal of all the delusions current in our ...
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How dangerous is thiomersal (thimerosal)?

Some people blame the preservative thiomersal in vaccines for all kinds of illnesses, but mainly for autism. As thiomersal is a mercury compound, there is some plausibility in suspecting it may cause ...
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Does the CDC own vaccine patents?

As a regular skeptic, I often get involved in arguments about vaccines. In a recent discussion this came up: The CDC owns 70 vaccine patents and makes billions of dollar off them A quick google ...
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Are "pox parties" safer than vaccines for children?

So-called pox parties have been around in various forms in varying degrees of popularity since the 1980's, and are described on Wikipedia as: A pox party, or flu party or flu fling, is a social ...
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Are deaths "skyrocketing" due to vaccination?

I was sent the following link by a friend and they were concerned that someone was passing it around on Twitter. What would be some good refutations for its content? Infowars: Vaccine Deaths And ...
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Is it dangerous for vaccinated children to be around unvaccinated children?

Some parents don't want their children to hang around unvaccinated children. An anti-vax argument I've heard is that this suggests the parents believe the vaccines are not effective, if potentially ...
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Did a US court rule that the MMR vaccine causes autism?

The question of whether MMR vaccines cause autism has been addressed already on Skeptics.SE, and then again when new documents came to light. This question is not about rehashing those facts, but is ...
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Is the comeback of measles in the US "largely due to anti-vaxers?"

From CNN: In some recent years, there have been fewer than 100 cases nationwide. But the [measles] virus has made a comeback in other years, including 2019 -- largely due to anti-vaxers, experts ...
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Were the measles outbreaks of this decade caused by people not vaccinating?

There are several movements against vaccinating children in the USA. There were several measles outbreaks in the 2010's. Are they related?
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Were many vaccine-preventable diseases almost gone before vaccines were introduced?

The movie Silent Epidemic: The Untold Story of Vaccines presents arguments against vaccination. One of the arguments is that the alleged benefits of vaccines are actually due to modern health and ...
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Was SIDS unheard of before "modern vaccine schedules"?

Related: Paper correlating number of vaccines given with infant mortality rate for many countries? The same paper in the related article above states (abstract HERE/full text HERE): Prior to ...
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Are there any other studies (besides the discredited Wakefield studies) that have found a link between vaccination and autism?

Wakefield's study from 1998 is now refuted as fraudulent, however there must have been subsequent research by others looking for a link between vaccines and autism. Did any of this research find a ...
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Do COVID-19 vaccinations during early pregnancy lead to a higher miscarriage rate?

Steve Kirsch claims in Should you get vaccinated?: 82% miscarriage rate in first 20 weeks (10% is the normal rate). Is this claim that the miscarriage rate is significantly increased through COVID-...
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Are Unvaccinated Children Healthier?

Got this today on my facebook wall... Alarming New Study: Unvaccinated Kids are Healthier The study’s findings really make you wonder. Here’s some of the specifics: Vaccinated children ...
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Does this study from 2012 speak to the potential long term effects of the mRNA COVID-19 vaccines?

A paper has been shared various social media sites (for example, on a 4chan /sci/ thread) as "proof" the COVID vaccine results in long term negative outcomes by increasing rates of ...
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Do "new documents" change anything about the Wakefield/MMR vaccine paper/retraction/fraud situation?

I was recently sent an article and am trying to evaluate some of the claims. [1] The claim of interest here is this one: In light of new evidence that has emerged clearing Dr Wakefield of the ...
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Was measles vaccine introduced after the disease was under control

Recently, I have been arguing with people opposing the use of vaccines. One google search query led me to an article claiming that are death cases by measles vaccines. The article goes on claiming ...
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Do organised anti-vaccination groups stand to gain anything?

Lately, Ethan Lindenberger has been getting a lot of attention for defying his mother and getting vaccinated against her wishes. NPR released an article today about how Ethan testified before the ...
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Did the CDC lose a Federal Lawsuit to produce evidence that vaccines do not cause Autism?

In a recent article[1] published by the Informed Consent Action Network (ICAN), ICAN claims that the Center for Disease Control (CDC) has lost[2] a Federal Lawsuit (brought forward by ICAN) calling ...
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Did more than 900 people die of measles in Madagascar since October 2018?

I'm seeing a claim trending on social media that more than 900 people died of measles in Madagascar recently. I'm referring to this article, which opens with: Geneva: At least 922 people have died in ...
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Are vaccine antibodies different than natural antibodies?

An article at mercola.com entitled Outspoken Vaccine Advocate States Measles Vaccine Can't Prevent Measles Outbreaks makes the claim that (emphasis added): Because vaccine antibodies are different ...
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Is this claim that "vaccinations are associated with heroin use" made in good faith? [closed]

A Facebook group Feminists Against Vaccination have posted an anti-vaxx advert: ] Source Their first injection was a vaccination. Protect your children from vaccinations. Vaccinations leave a lasting ...
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Can vaccinating for COVID-19 cause a selection pressure for more virulent strains?

The steelman of an argument I've seen floating among some critical members of society is as follows: Since COVID-19 vaccines are applied as a prophylactic (reducing symptoms although people may still ...
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Did the military start the "No alcohol after vaccines" meme?

The Travel Doctor (a chain of clinics that does vaccination for travellers) claims Can I drink alcohol after vaccines? [Don't drink too much after Japanese Encephalitis vaccine] The myth ...
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Do 6-month old babies ingest more aluminum from formula milk than from vaccines?

This blog post claims that vaccines given to infants contain less aluminum than is typically ingested from milk - especially formula milk. A more prestigious source of this claim is the Children's ...
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Did the lead developer of the HPV vaccine come out against it?

According to LifeWise, “Dr. Diane Harper was the lead researcher in the development of the human papilloma virus vaccines, Gardasil and Cervarix. She is the latest to come forward and question the ...
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Is there a correlation between vaccination levels and new COVID-19 cases?

In the study Increases in COVID-19 are unrelated to levels of vaccination across 68 countries and 2947 counties in the United States, it is claimed that there is no relation between vaccination and ...
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Do the COVID-19 vaccines have worse side-effects for people who have already contracted COVID-19?

A March 16 KFYR-TV article [hat-tip @Laurel] reports: In a study posted by medRxiv (med archive), researchers report many people who had previously been infected with the virus reported flu-like ...
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Did an experimental Oral Polio Vaccine (OPV) cause the AIDS pandemic?

Aidsorigins.com mentioned in a post that: The oral polio vaccine (OPV) theory of origin of AIDS proposes that an experimental OPV made in a unique manner was administered to nearly one million ...
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Does the AstraZeneca vaccine not come in contact with any animal product during production?

In refuting an Indonesian Islamic council finding to the contrary, AstraZeneca Indonesia director Rizman Abudaeri said in a statement: “At all stages of the production process, this virus vector ...
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Is the belief that vaccinations cause autism correlated with liberal political beliefs?

There are some people who continue to believe that there is a link between vaccination and autism. See this question for more: Are there any other studies (besides the discredited Wakefield studies) ...