Cup of black tea could help prevent Covid infection, study finds
Black tea reduced the virus by 99.9 per cent in the mouth, researchers found
Malak Esseili, a virologist with the University of Georgia, who led the study, said: “At this stage, we are not suggesting tea as a stand-alone intervention against Covid, because the virus also replicates in the nose and may have already reached the lung by the time a person tests positive.