The number of people experiencing “long COVID” is unknown, but experts estimate that millions of Americans could be affected. Could an out-of-order immune system be to blame for lingering symptoms? PRODUCTION CREDITS: Produced by: Emily Zendt Production Assistance: Christina Monnen…

Loss of smell has been added to the UK’s Covid-19 symptom list. We spoke to experts back in April to explain why coronavirus causes smell loss and what to do if you get the symptom. Read more: Follow us: Facebook:…