The flu is caused by viruses. Type A and Type B influenza viruses are what cause the main outbreaks of the flu each year. Type A is often hosted in animals such as such as ducks, chickens, pigs and whales, then passed on to humans, and is often more severe.3Type B is found only ...
Learn more from WebMD about the flu, including causes, symptoms, types, risk factors, treatment, and prevention.
1.解析:根据文章第一段“What is bird flu?It’s a form of influenza believed to strike all birds. Though poultry(家禽) are believed to be especially prone to(倾向于)humans”就可推出bird flu不但可以感染禽类也可以传染人。 答案:B 2.解析:根据文章第二段第一句话“Thailand, Vietnam, Indonesia...
This strain of bird flu, also known as H5N1, is not entirely new. It's been detected in a variety of bird populations since January 2022, and in March of last year, it was found in dairy cows for the first time. Since then, there have been nearly 70human cases, mostly in dairy an...
Most of the people who are hospitalized for the flu are over the age of 65. The predominant flu strain this year is H3N2, a form of influenza A. This strain is included in this year’s flu vaccine, but information on how effective the vaccine has been is typically not available until ...
Flu mostly happens in fall and winter each year. It can cause mild to severe illness, and at times can lead to death. The best way to prevent flu is by getting a flu vaccine each year. picture source: bigstock 02 Influenza trend this winter ...
This year’s flu strain appears to be particularly virulent. 7 Flue A channel in a chimney for conveying exhaust gases. The old house’s flue needed cleaning before they could use the fireplace. 8 Flu An infectious viral illness with respiratory symptoms. She caught the flu last winter and ...
A person in the UK has been diagnosed with a strain of flu similar to viruses spreading in pigs. Sky News looks at what we know so far about this case and the particular strain of flu.
the U.S. as a deadly strain of avian flucontinues to decimatethe country's poultry flocks. To the dismay of consumers still struggling to digest soaring food costs, that likely means even higher egg prices in 2025."I think eggs have felt relatively extreme over the past few months," Kip...
"Now we're targeting annual vaccines for COVID-19 that is similar to flu. It's a reformulation based on what's circulating, and this is why we're talking about an annual campaign rather than a booster," he continued. Here's what you need to know about the updated...