COVID-19 long haulers on months of debilitating symptoms: 'They don't know how to make me better'
SARS-CoV-2, the virus that causes COVID-19, has prompted more questions than science can answer. But of the many puzzles that remain, few are more perplexing - or urgent - than this one: Why do some
https://www.yahoo.com/lifestyle/covid-19-long-haulers-debilitating-symptoms-210633981.html