Frequent hand washing is absolutely essential when it comes to ways that we can reduce the spread of Covid-19. The question is, why is it so important?
There has been so much confusion and conflicting answers to questions of whether having immunity to COVID-19 is long-lasting, especially if you have mild infection. The way to really answer this question is to deliberately infect people who have recovered from COVID-19 with the SARS-CoV-2 virus again