PhD Candidate, Molecular Biology and Virology, University of the Western Cape
COVID-19 vaccines produce T-cell immunity that lasts and works against virus variants
Vaccines train the immune system to recognise and respond to a particular pathogen, without first having to be infected by it
Poor nutrition changes the way a body fights infection: This might protect against severe COVID-19
Deficient leptin levels caused by malnutrition might protect against severe infection and death, says study