Categories Uncategorized Potential Covid Blocker Post author By cf Post date November 6, 2020 No Comments on Potential Covid Blocker Nasal Spray Prevents Covid Infection in Ferrets, Study Finds Scientists at Columbia University have developed a treatment that blocks the virus in the nose and lungs, is inexpensive and needs no refrigeration. ← Waning Antibodies → COVID Case-to-death Lag Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.