A man in Hong Kong caught COVID-19 a second time. Here's why that's not surprising (and there's no need to panic)
- Written by Vasso Apostolopoulos, Professor of Immunology and Pro Vice-Chancellor, Research Partnerships, Victoria University
A Hong Kong man who recovered from COVID-19 more than four months ago has reportedly been reinfected with SARS-CoV-2, the virus that causes COVID-19. This time he didn’t have any symptoms.
This is not necessarily unexpected, because very few natural infections generate an immune response that completely prevents reinfection. Instead, what...





