An unvaccinated person in New York State’s Rockland County developed paralysis from a polio infection, emphasizing the need to target vaccination efforts to vulnerable communities
The virus circulating in the current outbreak has mutated 50 times in the past four years
The model, which uses machine learning to track the fitness of different viral strains, accurately predicted the rise of Omicron’s BA.2 subvariant and the Alpha variant
States that outlaw abortions after a certain number of weeks could make it difficult or impossible to terminate a pregnancy because of a serious genetic disorder
Results from a large study suggest that vaccines offer less protection against lingering symptoms than expected
The Biden administration’s Test to Treat program aims to make the treatments available at pharmacies, yet it requires a medical provider to prescribe the drugs
A CDC database of sewage data from communities around the nation could provide earlier warning of outbreaks and new viral variants
A handful of experiments are raising questions about whether clumps of cells and disembodied brains could be sentient and how scientists would know if they were
It depends, but vaccinated people should generally wait five days after exposure before taking an antigen test. Here’s why
Wealthy countries have bought up most of the available vaccine doses for booster shots but still have far more than they need
If the Supreme Court overturns Roe v. Wade in a Mississippi abortion case, numerous state laws will interfere with key biological and social decisions during pregnancy
Experts explain what this treatment involves, who needs it and how to get it
A tool built by the U.S. Geological Survey suggests that the number of fatalities may range from 10,000 to 100,000 or more
Mutations that make a virus more transmissible are only part of the equation
Viral load is roughly 1,000 times higher in people infected with the Delta variant than those infected with the original coronavirus strain, according to a study in China
The international collaboration does not have enough COVID vaccine doses to meet its goals, so wealthy countries must step up to fill the gap
The first successful clinical test of optogenetics lets a person see for the first time in decades, with help from image-enhancing goggles
The legislation runs counter to evidence that puberty blockers and hormone treatments are safe and save lives
The SARS-CoV-2 coronavirus seems to be suddenly acquiring mutations at a rapid rate. The most worrying variants, first discovered in South Africa and Brazil, increase the virus’s contagiousness and may even help it evade the human immune system...
Here is a guide to novel versions of the COVID-causing virus—and genetic changes that can make them more contagious and evasive in the body
