COVID virus evolving 'to become better at spreading in air'

The findings showed that the amount of virus in the air coming from Alpha variant infections was much more -- 18-times more -- than could be explained by the increased amounts of virus in nasal swabs and saliva.

New York: People infected with COVID Alpha variant exhaled 100 times more virus into the air than people infected with the original strains of the virus, finds a study.

The University of Maryland researchers suggested the need for better ventilation and tight-fitting masks, in addition to widespread vaccination to help stop the spread of the virus.

The findings showed that the amount of virus in the air coming from Alpha variant infections was much more -- 18-times more -- than could be explained by the increased amounts of virus in nasal swabs and saliva.