Author Archives for John Collis

Did SARS-CoV-2 Originate in Wuhan in 2019 or Earlier Elsewhere?

June 23, 2022 7:00 am Published by John Collis 37 Comments

Antibodies in Italian blood samples from September 2019 – What is the evidence that SARS-CoV-2 originated earlier than December 2019 in Wuhan, and what are the implications for our understanding of the pandemic?

The Role of Genes in Determining Susceptibility to Infection

June 13, 2022 9:00 am Published by John Collis 10 Comments

Different individuals inherit an immune system primed to deal with different pathogens. This protects the species and also explains variation in susceptibility to diseases between individuals and regions.