Shedding protein spikes1/1/2024 ![]() ![]() Kathryn Clancy, associate professor in the Department of Anthropology at the University of Illinois Urbana-Champaign, is leading research on the possible causal links between Covid-19 vaccines and menstrual cycle changes. Some experts suggest that the added stress of the pandemic could play a part in cases in which women experienced menstrual changes. Research is underway to determine if there is a causal relationship between the two. ![]() Screenshot of an Instagram post taken on April 28, 2021 Other posts raise concerns that Covid-19 vaccines could affect menstrual cycles, again linking it to supposed “shedding.” We are seeing none of that.”ĪFP Fact Check previously examined inaccurate claims that the Covid-19 vaccines cause infertility. If this were at all plausible we would see a huge epidemic of bruising people, stillborn fetuses or amenorrheic women. Pakes added that “there are now over one billion doses administered, 230 million in the US alone. Golemi-Kotra warned that most of the accounts shared on social media have not been peer-reviewed by scientists and doctors, and there are “no such reports in any reputed scientific media.” Loss of fertility is scientifically unlikely.” While fertility was not specifically studied in clinical trials of the vaccine, the statement explains that “no loss of fertility has been reported among trial participants or among the millions who have received the vaccines since their authorization, and no signs of infertility appeared in animal studies. In a joint statement, the American College of Obstetricians and Gynecologists, the American Society for Reproductive Medicine and the Society for Maternal-Fetal Medicine also said that “there is no evidence that the vaccine can lead to loss of fertility.” The CDC says that “there is currently no evidence that any vaccines, including Covid-19 vaccines, cause fertility problems.” There is at this point no indication that Covid-19 vaccines negatively impact women’s reproductive health, according to multiple experts and public health bodies. The woman in the video also argues that the mRNA vaccines are causing “reproductive problems” and “sterilization.” He explained in an email that “there is absolutely no evidence whatsoever of shedding of spike protein in vaccinated individuals, nor is it even theoretically possible.” Claim: mRNA vaccines cause reproductive problems This was confirmed by Barry Pakes, assistant professor at the Dalla Lana School of Public Health at the University of Toronto. If it is digested it will be destroyed by the low pH in our stomach and the enzymes there, and if it is stuck in our skin or enters our mouth or eyes or nose it is very likely to be digested by the enzymes secreted by our cells on these environments.” She added: “Proteins are sticky molecules and highly unstable (structurally and remaining as a single piece). Instead of confronting the immune system with part of a virus in a weakened or deactivated form to build antibodies, it introduces a “blueprint” of the spike protein, part of the virus that the body can then recognize and fight if it encounters it later.ĭasantila Golemi-Kotra, a microbiologist at York University, explained in an email that “no spike protein gets shed when we get vaccinated.”Ĭalling this claim “skewed science,” she said that “even if the spike protein was shedding, although impossible, this protein cannot infect someone else.” The mRNA shots are the first to be authorized and distributed globally that use the cutting-edge messenger ribonucleic acid technology, which differs from that of other vaccines. The US Centers for Disease Control and Prevention (CDC) explains on its website that the Moderna and Pfizer-BioNTech shots “are mRNA vaccines that do not contain the live virus that causes Covid-19 and, therefore, cannot give someone Covid-19.” So there’s no way the virus can be produced by the vaccine,” she told AFP in an email. ![]() “In fact, it’s an impossibility, since all of the vaccines cause cells to produce only the spike protein, and no other components of the virus. “There are a bunch of videos going around about how being around people who have had the, we’ll call it ‘bax,’ are now experiencing severe symptoms and this is from shedding off of the spike proteins,” the woman says in the video.īut there is no evidence to suggest that they do, according to Jamie Scott, professor emerita at the Simon Fraser University Faculty of Health Sciences. Claim: Vaccinated people can shed spike proteins Most were Pfizer’s and Moderna’s mRNA vaccines, though a shot from Johnson & Johnson that employs a different technology is also being used.īelow, AFP Fact Check examines some of these inaccurate claims. More than 235 million Covid-19 vaccine doses have been administered in the United States. Screenshot of a Facebook and of an Instagram post taken on April 28, 2021 ![]()
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