An Invasive Mosquito Threatens Catastrophe in Africa A malaria-carrying species that thrives in urban areas and resists all insecticides is causing outbreaks in places that have rarely faced the disease.
In Hospitals, Viruses Are Everywhere. Masks Are Not. Amid an uptick in Covid infections, administrators, staff and patients are divided over the need for masks in health care settings.
Covid Continues to Rise, but Experts Remain Optimistic An uptick in hospitalizations and deaths persists, but the numbers are relatively low and new vaccines are around the corner.
Covid Closed the Nation’s Schools. Cleaner Air Can Keep Them Open. Scientists and educators are searching for ways to improve air quality in the nation’s often dilapidated school buildings.
Amid Signs of a Covid Uptick, Researchers Brace for the ‘New Normal’ Infections remain very low, despite signs of a slight increase. Now, experts are looking for clues to what living with the coronavirus will be like this winter and beyond.