(Reuters) - A deadly swine flu never seen before has broken out in Mexico, killing at least 16 people and raising fears of a possible pandemic. World Health Organization officials said the flu has ...

MEXICO CITY — Bird flu kills more than 60 percent of its human victims but doesn't easily pass from person to person. Swine flu can be spread with a sneeze or handshake, but kills only a small ...

With the annual flu season about to start, it's still unclear exactly how influenza virus will interact with the coronavirus if a person has both viruses. Doctors around the world have seen some ...

MEXICO CITY — Some top experts are worried that a mix of old and new flu could become lethal — if it happens. Bird flu kills more than 60 percent of its human victims, but doesn’t easily pass from ...

Health officials in California are concerned about the confluence of the coronavirus and flu in the upcoming months, noting a substantial decline in child vaccination rates since the pandemic. Dr.

The convergence of multiple flu strains in one animal can allow new virus strains to form—just as they did in past pandemics. This article first appeared in The Checkup, MIT Technology Review’s weekly ...