Chronic coronavirus: These patients have been sick for weeks, but doctors don't know why

Melanie Montano, 32, developed a fever, cough, stomach problems, and lost her sense of taste and smell like other sufferers of the novel coronavirus. Unlike most of them, though, her symptoms never went away. Dr's are unsure whether those symptoms suggest virus is still alive in the body and creating continued havoc, or whether it has come and gone, leaving a lingering immune or inflammatory response that makes people continue to feel sick.

After weeks with coronavirus, a sick woman wonders when it will end

I’ve hardly moved from this couch in weeks, but right now my heart rate monitor says I’m at 132. That’s double my normal. That’s like if I’m climbing a mountain. How come? Nobody knows. Nobody ever knows. And why has my fever been spiking again? Do I need to go back to the ER?

'Weird as hell’: the Covid-19 patients who have symptoms for months

There is growing evidence that the virus causes a far greater array of symptoms than was previously understood. And that its effects can be agonisingly prolonged: in Garner’s case for more than seven weeks. The professor at the Liverpool School of Tropical Medicine says his experience of Covid-19 featured a new and disturbing symptom every day, akin to an “advent calendar”.