Influenza, commonly known as the "flu," is an extremely contagious respiratory illness caused byinfluenzaA or B viruses.Fluappears most frequently in winter and early spring. The flu virus attacks the body by spreading through the upper and/or lower respiratory tract. What's the difference betwe...
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 ...
flu is influenza的缩写。influenza来自意大利语,意思是“影响”,因为很久以前,意大利人相信生病是受了天上星象的影响。虽然现在人们对流感已有很多了解,也已经可以控制它了,但它仍然是世界上最常见的疾病之一。Sandra: Steve, (1)___. Are you OK?Steve: (2)___.Sandra: Sounds like you have the flu. Do ...
Definition The flu (also called influenza) is a viral infection. It affects the respiratory system. It can cause mild to severe illness, and sometimes it can lead to death. Virus Attacking Cell 2011 Nucleus Medical Media, Inc. Causes The flu is caused by the influenza virus.GGH Business...
The influenza virus(流感病毒) or the flu is spread from person to person in the air when an infected person coughs or sneezes.There are 3 types of the flu: -Type A viruses can infect people,birds,pigs,horses,seals,whales,and other animals,such as avian flu or bird flu. -Type B ...
When Is Influenza Fatal? Although most people will recover from the flu within about two weeks or less, complications of the flu can cause influenza to become fatal. Complications of the flu include:5 (inflammation of the heart) (inflammation of the brain) ...
Is the flu a novel virus? The Flu: The flu refers to several strains of the influenza virus. The two major divisions of strains are those classified as influenza A and influenza B. The influenza virus is a respiratory virus known to cause fever, sore throat, chest and nasal congestion, ...
Flu-or influenza-is a virus that you've probably had before. If you have the flu, you might have a fever, a headache, a cough, or a sore throat. Usually, you'll feel better afte a few days, but some types of flu can be deadly. Flu can also spread very quickly and can affect...
Free Essay: Influenza (flu) is an infectious respiratory illness caused by influenza viruses. There are two primary types of influenza viruses: type A and B...
四、首字母填空Flu(流感) season comes every year from October to March. The flu is an i 1 cause d by the influenza virus(流感病毒). It is different from the common(普通的) col d an d it can strike(侵袭) suddenly an d it is much more serious. It can even k 2 people.The flu ...