COVID-19 Portugal : Natural Immunity Gives Good Protection By Nooows.com MVP Posted on September 1, 2022 Share Tweet Share Share Email Comments What’s your Reaction?LeftNeutralRight Study finds that previous SARS-CoV-2 infection had a protective effect against BA.5 infection. Protection was maximal for previous infection with BA.1 or BA.2. What’s your Reaction?LeftNeutralRight Related Items:natural immunity, vaccine efficacy Share Tweet Share Share Email Recommended for you Covid Vaccines Damaging The Immune System Natural Cross Immunity Confirmed Hospital Survival (DEATH RATE^) By Vaccine Status NSW Australia — Week 46 Ending 19 November 2022 Click to comment You must be logged in to post a comment Login Leave a Reply Cancel replyYou must be logged in to post a comment.