Flu may be spread just by breathing

Coughing and sneezing are not required for transmission

It is easier to spread the influenza virus than previously thought, with the latest evidence confirming that contamination can occur through exhaled breath.

man with flu

US researchers say they now have overwhelming evidence that a significant number of flu patients routinely shed infectious virus, not merely detectable RNA, into aerosol particles small enough to present a risk for airborne transmission.

“We show that sneezing is rare and not important for — and that coughing is not required for — influenza virus aerosolisation,” the authors write in the