This study shows that drinking tea really does help when you're infected with Covid.
https://link.springer.com/article/10.1007/s12560-023-09581-0
Screening Commercial Tea for Rapid Inactivation of Infectious SARS-CoV-2 in Saliva - Food and Environmental Virology
SARS-CoV-2 infects the oral mucosa and is shed in salivary fluids. Traditionally, tea has been used by various cultures to treat respiratory ailments.SpringerLink
reshared this