Share this postWhere are we with the hygiene hypothesis?caitlinrivers.substack.comCopy linkTwitterFacebookEmailWhere are we with the hygiene hypothesis?An interview with an immunologist on whether exposure to viruses helps the immune system to develop in children.Caitlin RiversOct 13, 202214Share this postWhere are we with the hygiene hypothesis?caitlinrivers.substack.comCopy linkTwitterFacebookEmailThis post is for paid subscribersSubscribeAlready a paid subscriber? Sign in