1.How does a virus travel?2.【词汇箱】1. virus n.病毒2. breathe v.呼吸3. survive v.生存4. host n.(寄生物所寄生的)寄主,宿主5.copy n.复制品6. robber n.强盗7. cell n.细胞8. explode v.爆9. float v.飘10. cough v.咳嗽11.COVID-19新型冠状病毒肺炎【短语和句型】1.生病2.独立的...
2. How does COVID-19 spread from person to person?3. People are thought to be most contagious when they are sickest, aren't they?4. According to the article, through how many ways can people get infected by the virus?5. What is special about COVID-19?6. What do you think you ca...
Some studies show that up to 40% of people with COVID-19 are "asymptomatic." That means they don't feel sick or have symptoms. But the virus can still affect your body. X-rays and CT scans of some people without symptoms show lung damage including "ground-glass opacities," a typical...
Aheadacheis a common symptom of COVID, and it usually gets better on its own in a few days. But COVID headaches can be intense and persistent, and the right treatment can vary, depending on the type of pain you’re having. So it’s important to talk to your doctor about your headac...
Yes, you can still have coronavirus if you don't have a fever. This occurs in about 12% of cases. Credit: The Conversation How long does it take to get sick? The incubation is the period from when you're infected to when you become sick. For COVID-19, the range is1-14 days, ...
The minimum infectious dose of SARS-CoV-2, the virus that causes Covid-19, is unknown so far, but researchers suspect it is low.
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Q: What harm does COVID-19 do? A: Since it's not as severe as SARS, it can't be identified at all in the early stage. It's possible that the symptoms are very mild and you can't feel them at all, so you may be in contact with infected people who show no symptoms or have...
How long does COVID stay in the air? Research shows the virus can live in the air for up to 3 hours. Community spread Sometimes, a person may know how they got the virus. They can trace back to their contact with someone who's been sick. In other cases, the cause is unknown. Com...
Can You Get a Virus From a Surface? If you touch a surface that is contaminated with a virus — including COVID-19 — does that mean you will get the virus? Not necessarily. But if you don't immediately wash your hands, and then touch your mouth, nose or eyes, you could transmit ...