C When cold and flu season arrives, you might notice that your symptoms (症状) seem to worsen as the day turns to night. This is a real effect.Our body's biological clock plays an important role. At night, this clock tells our immune(免疫) cells to become more active as they search...
When FDA experts met to pick viral targets for the next flu season, they also discussed a promising new way to create vaccines. U.S. influenza vaccine production relies on a delicate chain of events. It starts each year with global surveillance and ...
We should wear a mask when we go out in a flu season. What's the main purpose of wearing a mask? A. To look cool. B. To protect ourselves from getting sick. C. To make others happy. D. To hide our faces. 相关知识点:
Like many of you, I would guess, I have been viewing these changes in the world as transient – a season to get through. And while that perspective isn’t entirely inaccurate – there will be a time when the larger threat of this pandemic is past – it’s also not a complete picture...
The medical community is about to find out how prepared it is for the double whammy ofinfluenzaand COVID-19 that has been predicted for the fall of 2020. The complexities of diagnosis, management of vulnerable patients, and overflowing medical centers that have made the COVID-19 crisis so br...
百度试题 结果1 题目 (B) 8. We ___ masks when we go out during the flu season(流感季节). A. can't wear B. should wear C. didn't wear D. needn't wear 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
7 Some are debating a strategy that would combine annual flu and COVID-19 boosters in the autumn.8 However, the future uptake of boosters is a significant unknown. In the United States, only about half of those who received the initial course of COVID-19 vaccines have received the first ...
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Europe and the United States have entered the endemic stage of the COVID-19 outbreak: the virus is widespread, is significantly less fatal than it was in 2020, and is spurring only limited changes in public behavior. These endemic conditions are likely to continue through the summer and autumn...
Flu season is upon us, and before long it's likely to seem like people are coughing and sniffling everywhere you turn. New research sheds light on a group of people who may be especially likely to spread the infection to others: millennials. ...