A few months ago, a young athletic guy came into my clinic where I’m an infectious disease physician and COVID-19 immunology researcher. He felt tired all the time, and, importantly to him, was having difficulty mountain biking. Three months earlier, he had tested positive for COVID-19. He is the kind of person you might expect to have a few days of mild symptoms before recovering fully. But when he walked into my clinic, he was still experiencing symptoms of COVID-19 and he could not mountain bike at the level he was able to before.
Tens of millions of Americans have been infected with and survived COVID-19. Thankfully, many survivors get back to normal health within two weeks of getting sick, but for some COVID-19 survivors – including my patient – symptoms can persist for months. These survivors are sometimes dubbed long-haulers, and the disease process is termed “long COVID” or post-acute COVID-19 syndrome. A long-hauler is anyone who has continued symptoms after an initial bout of COVID-19.
Numerous studies over the past few months have shown that about 1 in 3 people with COVID-19 will have symptoms that last longer than the typical two weeks. These symptoms affect not only people who were very sick and hospitalized with COVID-19, but also those with milder cases.
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