How this season’s flu got supercharged — and why viruses may make you healthier. This episode was produced by Avishay Artsy, edited by Jenny Lawton, fact-checked by Melissa Hirsch, engineered by David Tatasciore, and hosted by Jonquilyn Hill. Photo by Elisa Schu/picture alliance via Getty Images. If you have a question, give us a call on 1-800-618-8545 or send us a note here. Listen to Explain…