A []第二 "Common colds are the main reason that kids miss school.”可知,普通感冒是孩子们缺课的主要原因,故 A项正确。 70.D [解析]根据题干内容定位到第三段,根据“Infact,as many as200 viruses cause cold symptoms,"可知,事实上,多达200种病毒会引起感 冒,将各选项代入原文可知,D项“症状”符合...
Doctor's View on How Long Bronchitis Symptoms May Last What is bronchitis? Bronchitisis a condition where there is inflammation of thebronchi, the air passages within thelungs. The inflammation that causesbronchitiscomes mostly fromviruses, but sometimes can be caused by bacteria or allergens. Depen...
So, when it comes to the flu, you don't want to mess around. Here's how to recognize whether you caught the virus, how long the symptoms last, and what you can do to prevent getting sick in the first place. Meet the experts: Neha Vyas, MD, is a family medicine physician at th...
Learn about bronchitis symptoms, causes, diagnosis, treatment, and prevention with this in depth WebMD slideshow.
Although the most contagious period is over when the patient's symptoms resolve, even some people who appear to have recovered completely after a norovirus infection may continue to shed the virus for weeks in their stool and may be a source of infection to others. ...
If your child’s cold symptoms last longer than 10 days, be sure to see the doctor.” And you might want to keep this article and list of suggested treatments handy: Ukpeh says that even healthy children can get eight to 12 colds a year. Stocking up on tissues might not be a bad ...
How long does the flu last? As harsh as the flu can be, the good news is that most people feel much better within one to two weeks. Most healthy adults become contagious the day before symptoms develop (which makes it trickier to prevent from spreading). They remain infectious for up to...
it’s probably not a good idea to have a whole city of people wearing masks. However, if you have symptoms of infection, you should wear a mask at once, even at home. There may be viruses in saliva droplets, wearing masks now can prevent infecting others. Wearing masks in this case ...
An is unavailable. This article is available as a PDF only.doi:10.1097/00000542-199209001-01166SOTOH. DEAnesthesiology
While fevers can occur for a variety of reasons, they are often a result ofcoldand flu viruses. Knowing the symptoms of fever can help you quickly determine when you or a loved one may have a fever and how best to address it. Practicing good habits for preventing the spread of colds an...