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A study conducted on 44 rats injected with the Pfizer–BioNTech COVID-19 vaccine at doses over 300 times the human dose by body weight and 44 rats injected with placebo found no statistically significant evidence of any adverse effects on the fertility of female rats or on the health of the offspring of rats (the 3% lower pregnancy rate found ...
Turbo cancer is an anti-vaccination conspiracy theory [1] alleging that people vaccinated against COVID-19, especially with mRNA vaccines, are suffering from a high incidence of fast-developing cancers.
MRC-5 (Medical Research Council cell strain 5) is a diploid cell culture line composed of fibroblasts, originally developed from the lung tissue of a 14-week-old aborted white male fetus. [ 1 ] [ 2 ] The cell line was isolated by J.P. Jacobs and colleagues in September 1966 from the seventh population doubling of the original strain, and MRC-5 ...
Ever since the vaccines from Pfizer and Moderna were authorized in late 2020, anti-vaccination groups in the U.S. have blamed the shots for fatal heart problems in young athletes.
COVID-19 vaccine clinical research uses clinical research to establish the characteristics of COVID-19 vaccines. These characteristics include efficacy , effectiveness , and safety. As of November 2022 [update] , 40 vaccines are authorized by at least one national regulatory authority for public use: [ 1 ] [ 2 ]
The reasoning is because in the 20-29 age range the benefits to individual of vaccination were less as their likelihood of harm from COVID‑19 is less and closer to the potential risk of harm from the vaccine (at a medium exposure risk with COVID‑19 infection cases running at a rate of 60 per 100,000).
As the omicron surge pummels a pandemic-weary nation, the first antiviral pills for Covid-19 promise desperately needed protection for people at risk of severe disease. However, many people ...
Mangipudy said Pfizer produced 3 billion doses of the COVID-19 vaccine in 2021 and expects to produce 4 billion this year, and the company has pledged 2 billion doses to low- and middle-income ...