In recent weeks, opponents of Covid vaccination have spread a claim that is not only false but also against the rules of biology: being close to someone who has been vaccinated may disrupt a woman’s menstrual cycle or cause a miscarriage.
The idea promoted by hundreds of thousands of followers on social media is that people who have been vaccinated may scatter vaccine materials, thereby affecting people around them, just like second-hand smoke. This month, a private school in Florida told employees that if they were vaccinated, they would not be able to interact with students because “we have at least three women whose menstrual cycles were affected by the vaccinators.”
The vaccine currently approved for use in the United States instructs your cells to produce a variant of the spike protein found on the coronavirus so that your immune system can learn to recognize it. Different vaccines use different vehicles to deliver instructions-suitable for Moderna and Pfizer, messenger RNA or mRNA; for Johnson & Johnson, an adenovirus that has been genetically modified to make it inactive and harmless-but the instructions are similar.
Emily Martin, an epidemiologist at the University of Michigan School of Public Health, said: “This is not part of the virus, it’s what the virus does — it’s just a protein of the same shape.” “It’s impossible to remove anything in the vaccine from One person transfers to another. Biologically speaking, this is impossible.”
Microbes spread from person to person through replication. Vaccine components and proteins cannot be replicated, which means they cannot be transmitted. They will not even spread to your own body, let alone anyone else’s body.
Jennifer Nuzzo, an epidemiologist at Johns Hopkins University, said of the vaccines: “They are injected into your arm, where they are.” The muscles near where the mRNA was injected The cell absorbs it, the cell uses it to make the protein, and the immune system understands the spike protein and eliminates these cells. This is not a circulating thing. “
This is not something that persists. Messenger RNA is very fragile, which is one of the reasons why we have never used an mRNA-based vaccine before: it took a long time for scientists to figure out how to keep it intact even if it takes a short time. It will decompose within a few days after inoculation.
Dr. Céline Gounder, an infectious disease expert at Bellevue Hospital Center and a member of President Biden’s Coronavirus Transition Advisory Group, said that the vaccinated people will not fall off because “there is nothing Can fall off”. “A person who has the virus is someone who has the Covid virus. Therefore, if you want to prevent yourself or others from spreading the virus, the best way is to get a vaccination to prevent Covid.”
This led us to reports of abnormal periods when women approached the vaccinated population. Because one person’s vaccine does not affect anyone else, it is impossible for these two events to be linked together. Many things such as stress and infections can disrupt the menstrual cycle.
The claim of shedding is “a conspiracy aimed at weakening trust in a series of vaccines that have been proven safe and effective in clinical trials”, in a statement by Dr. Christopher M. Zahn, an obstetrician and gynecologist, vice president of practical activities at American University Say. “Such conspiracies and false narratives are dangerous and have nothing to do with science.”
Some women have expressed concerns that their own vaccination may affect their menstrual cycle. Unlike the second-hand effect, this is theoretically feasible, and research is still ongoing-but anecdotal reports can be explained by other factors, and no research has found an association between vaccines and menstrual changes.
Dr. Gund said: “There is no evidence that the vaccine will affect the menstrual cycle in any way.” “It’s like because I have been vaccinated today, so tonight we will have a full moon.”