Ashish Jha is ‘concerned’ about the delta variant in the U.S. Here’s why. - Boston.com

Ashish Jha is ‘concerned’ about the delta variant in the U.S. Here’s why.  Boston.comDelta variant: We don't know if it causes atypical symptoms like gangrene  Business InsiderMain COVID-19 symptoms now headaches and sore throats, UK expert warns  New York Post Concern grows as delta COVID variant spreads: What we know, don’t know about mutation  WDIV ClickOnDetroitDelta variant Covid symptoms ‘include headaches, sore throat a