2024年1月9日 星期二

What is COVID-19's incubation period?

Plus more health news |

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I was exposed to COVID-19. How long will it take for symptoms to start?
By Jamie Ducharme
Health Correspondent

In the days after a potential COVID-19 exposure, I monitor my health like a hawk. Is that a tickle in my throat? Am I sneezing more than usual? Am I normal tired—or bad tired?

It’s always hard to know when I can stop obsessing about every possible sign that I’ve been infected, so I consulted a few experts. They told me that, compared to how it behaved early in the pandemic, the SARS-CoV-2 virus now tends to act faster on the body, both because the virus itself has evolved and because most people’s immune systems have been primed by previous exposures. On average, people who get sick now exhibit symptoms about three days after coming into contact with the virus.

But “average” is the key word. Some people might experience symptoms in two days, others in five or six. So passing the three-day threshold without signs of COVID-19 isn’t an all-clear—but it is a sign that you can relax just a bit.

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AN EXPERT VOICE

"Chronic stress contributes to a set of biological changes in your body that end up accelerating cardiovascular disease and other chronic conditions. It can also contribute to changes in how your brain works, [and] changes in how your adrenal glands and other hormonal systems work."

—Dr. Eduardo Sanchez, chief medical officer for prevention at the American Heart Association

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Today's newsletter was written by Jamie Ducharme and edited by Angela Haupt.

 
 
 
 
 
 

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