Scientists trace the rapid spread of Oropouche virus beyond the Amazon, revealing its evolution through reassortment and the ...

Scientists suspect the H5N9 strain emerged through reassortment—an unpredictable genetic mixing of flu viruses within co-infected hosts. This discovery is significant because reassortment events ...

When two or more strains of a virus infect the same person, they can exchange genetic material and create new, more dangerous ...

This latter process is known as genetic reassortment, and it usually happens when an organism is infected with at least two different viruses at the same time. Some experts suspect that H5N9 may ...

There are concerns about a more dangerous virus emerging, combining bird flu and seasonal flu in a process called reassortment. “I am very worried about H5N1 in patients that are being treated ...