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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Do any Covid-19 vaccines contain "nanoparticles" that can be detected in the blood afterwards and used to determine if a person has been vaccinated? [closed]

I spoke with my mom on the phone today and she told me of something she saw on the national TV recently (I don't watch TV). She says that some official person claimed that vaccines contain some sort ...
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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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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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Why does PHE data indicate higher death numbers for vaccinated than unvaccinated persons?

INTRODUCTION: The Public Health England technical briefings are technical documents indicating specific statistics and their breakdowns regarding COVID. https://www.gov.uk/government/publications/...
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How can the J&J vaccine shot be effective against COVID-19 if it only has a ~60% efficacy rate? [closed]

According to the CDC's page on the safety of J&J vaccines, the reported efficacy rate of the vaccine is a staggeringly low 66.3%. That said, the government is still promoting and touting the J&...
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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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Did Pfizer intentionally delay the COVID vaccine until after the election?

According to an November 2020 article from Fox Business: President Trump had repeatedly said he expected to have the results by the end of October – ahead of the November election. In a statement on ...
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Is this data about COVID Vaccination breakthrough infections from the Israeli government?

I've been seeing this infographic circulating lately in private WhatsApp groups, and also on Twitter 1, 2. It has also been retweeted by Ivory Hecker who has 100k twitter followers and 173k Instagram ...
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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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Is the COVID-19 vaccine highly unlikely to prevent infection a year after inoculation?

Vincent Racaniello (Professor in the Department of Microbiology and Immunology at Columbia University's College of Physicians and Surgeons) wrote a blog in which he states “It’s highly unlikely that ...
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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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Does increasing the gap between two Pfizer shots to 12 weeks provide higher levels of protection?

When COVID-19 vaccines started rolling out, the UK prioritized administering the first dose to as many at-risk people as possible. As a result, the interval between the two doses was increased to up ...
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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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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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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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Do young Pfizer COVID-19 vaccine recipients have 200x the background rate of myocarditis/pericarditis?

Alex Berenson alleged in tweets that, according to newly released CDC report, being post-second dose [of Pfizer's COVID-19 vaccine] carry significantly increased risk of heart problems for under 25 ...
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Do vaccines cause people to become magnetic?

MSNBC news reports that some people are claiming that vaccines cause the body to become magnetic. (The report is disparaging about the claimants.) There are video snippets from 0:39 to 1:43 of a Ohio ...
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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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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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Does a vaccine provide additional protection to a previously infected and recovered patient? [closed]

The change in literature I've observed during the covid-19 pandemic is certainly prompting this question, but I think the question can be answered broadly in terms of immunology, which does have ...
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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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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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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 ...
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Did Dr. Rajendra Kapila get both his Pfizer vaccine shots prior to his India visit? And is Pfizer vaccine not so effective against the Indian variant?

A WhatsApp forward I received says the following. [Text:] Dr Rajendra Kapila, Infectious disease expert with Rutgers University was visiting India due to his father in-law's poor health. He got ...
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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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Is it possible for mrna vaccines to affect DNA? [duplicate]

https://www.forbes.com/sites/victoriaforster/2021/01/11/covid-19-vaccines-cant-alter-your-dna-heres-why/ In this article on Forbes it is claimed that mrna vaccines can't in any way affect DNA. Does ...
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Does Israel have a contracted minimum quota of people they must inject with Pfizer vaccines?

From Outcry to the world, from Israel!!! (NL+ENG subtitles) (transcript from The Current Situation in Israel as Told by Ilana Rachel Daniel) “There is a contract. There is an actual physical contract ...
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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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Does the Covid-19 vaccine create anti-bodies that out-compete your natural broad spectrum anti-bodies?

Geert Vanden Bossche, who at one point advocated some form of "universal vaccines", has said that the Covid-19 vaccine makes your body create antibodies to fight only covid, rather than the ...
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Did Oxford University pledge to make its vaccine open license?

There are numerous news stories circulating that claim that before signing an exclusive deal with AstraZeneca to manufacture their COVID-19 vaccine, they had previously pledged to donate the license ...
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Is Sputnik V the first registered vaccine against COVID-19?

Sputnik V vaccine's official website claims that their product is the first registered against the disease. Sputnik V is the world’s first registered vaccine based on a well-studied human adenoviral ...
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Is this study on the dangers of vaccines peer reviewed?

When discussing vaccines with a friend, they brought up a study: Analysis of health outcomes in vaccinated and unvaccinated children: Developmental delays, asthma, ear infections and gastrointestinal ...
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Did a COVID-19 vaccine trial participant in India develop encephalopathy?

According to an article on thevaccinereaction.org, a 40-year old vaccine trial participant in India experienced acute encephalopathy after participating in a COVID-19 vaccine trial. The article ...
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Do the COVID-19 vaccine candidates risk inducing infertility in women?

Dr. Wolfgang Wodarg and Dr. Michael Yeadon wrote a request to the European Medicines Agency (EMA) on December 1, 2020, demanding that progress on the vaccine candidates be stopped until alleged flaws ...
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Are or were aborted human fetal cells used in vaccine production?

I have heard claims that cells from aborted fetuses are involved in the production of vaccines such as MMR. Is this true? For instance, this page from the Kennedy Institute of Ethics at Georgetown ...
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Does flu vaccine make us more vulnerable to COVID-19?

There are some claims that the flu vaccine injection has a positive correlation with COVID-19 death rate. For example, the anti-vax site Home Vaccine Education Network says: What connects the ...
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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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Has the polio vaccine used in India from 2005 onwards caused hundreds of thousands of cases of paralysis?

This study from 2018 establishes a strong correlation between the introduction of a new version of a polio vaccine in 2005 in India and a very high number of Non-Polio Flaccid Acute Paralysis (NPAFP) ...
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Are the only remaining polio cases in Africa vaccine-derived?

World Polio Day: Wild poliovirus type 3 declared eradicated: Salisbury also said no WPV1 has been detected anywhere on the African continent since 2016. Several African nations, however, are still ...
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Have COVID-19 vaccination trials started in Seattle?

I am reading conflicting information on this. In a supposed Associated Press Exclusive, a report went out March 16th saying: U.S. researchers gave the first shots in a first test of an ...
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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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Do vaccines against childhood diseases leave the immune system less capable of fighting cancer?

I recently saw someone post this NSFW screenshot image about vaccines in a discussion about the COVID-19 outbreak. It is a screenshot from this NSFW 4chan thread. The anonymous poster argues that ...
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Was human DNA found in a sample of Priorix Tetra MMRV vaccine?

I came across this tweet in my feed: The claim is that a group of scientists from Corvelva tested a sample of MMRV and determined that it contained human DNA. Here is the article linked in the ...
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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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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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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 Paul Offit, MD, say that aluminum plays an important role in the development of a healthy fetus?

The following quote is attributed to Paul A. Offit, MD, by a number of websites and books; they can be found by Googling for the exact quote in quote marks (screenshot below) Aluminum is considered ...
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Did diseases, decrease over 90% before the introduction of vaccines? [duplicate]

There is this meme going around, which is also used as an anti-vaccine argument, which basically states, that vaccines didn't save millions of lives, because most of the diseases declined by over 90% ...
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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 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 ...