It's one of the largest annual gatherings around with the kind of reach and population cross-section many large gatherings don't have. The infectious disease ri

It's one of the largest annual gatherings around with the kind of reach and population cross-section many large gatherings don't have. The infectious disease risks are both known and actively managed, you couldn't reasonably host the thing without that, eg: https://pubmed.ncbi.nlm.nih.gov/24857703/ https://pubmed.ncbi.nlm.nih.gov/24857703/