Herd Immunity Today, Gone Tomorrow
Image by Gerd Altmann from Pixabay By ALEX WELTE As of the time of writing (mid-October 2020), there is much talk in South Africa about a ‘second wave’ of COVID-19. In Europe, it is much more than talk, with COVID-19 diagnoses, hospital admissions, and deaths, not to mention ‘restrictions’, all on the rise. Studies looking…