Boston University researchers are disputing reports that they improperly tested a version of the coronavirus, raising concerns about the potential creation of a new pathogen.
The lab-made virus combined elements of the omicron variant with the original virus. The results were more deadly to mice than omicron, but less deadly than the original virus.
An odd spurt of activity in April, May, and even early June of 2022 — which coincided with the onset of an early and robust flu season in Australia — suggests that flu may be making its way back.