Albert Alexander was the first known person treated with penicillin. While his ultimately fatal case is well known in medical histories, the cause of his illness has been misattributed for decades.
Masks definitely catch some of the virus laden aerosols and droplets - and that will reduce transmission between people and the number of cases of COVID-19.
The new omicron variant of coronavirus has a number of mutations that may require manufacturers to update vaccines. The unique attributes of mRNA vaccines make updating them fast and easy.
After a nose swab tests positive for a virus or bacteria, scientists can use the sample’s genetic sequence to figure out where and when the pathogen emerged and how fast it’s changing.
Leeuwenhoek, who discovered bacteria, is one of the most important figures in the history of medicine, laying the groundwork for today's understanding of infectious disease.
The coronavirus pandemic has driven a lot of scientific progress in the past year. But just as some of the social changes are likely here to stay, so are some medical innovations.
Three scientists describe the fieldwork they've had to delay in 2020 because of the pandemic. These are setbacks not just for their careers, but for the body of scientific knowledge.
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