Dr John Campbell is at it again with his pandering to conspiracy theorists. In the space of a week, he managed to present 3 contradictory conspiracy theories on the origins off SARS-CoV-2. Cindy and I explain the flaws in each of them:https://t.co/0foZFa3YyX

— Dr Susan Oliver (@DrSusanOliver1) December 1, 2022