Up to half of Manaus was infected at the epidemic’s peak, which slowed further spread of the virus but also led to many deaths, scientists say.
Age-related differences in coronavirus immune defenses hint that a boost in early immune responses from drugs or a vaccine could help protect people.
Preliminary results from two companies hint that the proteins can help COVID-19 patients from needing hospitalization or ventilation.
As the Northern Hemisphere braces for a coronavirus-flu double hit, it’s unclear if it’ll be a deadly combo or one virus will squeeze out the other.
In 1970, scientists were studying a brain-eating amoeba that had been implicated in a newfound disease. Today, infections by the parasite are still poorly understood.
In what’s now desert, people and other animals stopped to drink at a lake more than 100,000 years ago, a new study suggests.
Testing donated blood for antibodies to the coronavirus highlights that the vast majority of the United States remains susceptible to infection.
A new book describes the interplay of nature and nurture as children, at least in Western societies, grow up.
Microscopic views reveal virus particles coating the hairlike cilia of an airway cell from the lungs.