As the world continues to grapple with the ongoing COVID-19 pandemic, new questions have emerged about the origin of the virus and whether one of its more pathogenic variants, Delta, may have originated from Pfizer Inc.'s India operations.
A Pfizer executive claims in a video that the company had been exploring ways to "mutate" the coronavirus via "directed evolution" by experimenting on monkeys and the Delta variant, which is more contagious, was discovered in India a month after Pfizer announced its monkey research.
A new study conducted by public health researchers at the University of North Carolina and the North Carolina Department of Health and Human Services uncovered new information on the efficacy of Pfizer's COVID-19 vaccine in young people age 5 to 11.
There is no longer evidence that suggests anyone should get the COVID-19 vaccines, a British mathematician said as the UK government rolls out another booster campaign ahead of the winter season.
From masks and distancing to vaccines and therapeutics, federal pronouncements and actions have confidently rebuffed contrary evidence before sometimes — quietly — coming around.
A study published in the New England Journal of Medicine showed that people vaccinated against COVID-19 remained contagious with the virus for a longer period of time than their unvaccinated counterparts.
The protection against severe illness from so-called natural immunity remains superior to that bestowed by COVID-19 vaccines, according to a new study.
