The flu—more formally known as influenza—is a contagious, acute respiratory illness caused by influenza viruses. These viruses are one of the most common causes of respiratory infections in people of all ages and often occur as outbreaks during winter months.1 There are two main types of infl...
What Is the Flu Virus?Sanaz Majd, MD
Flu is spread when you inhale droplets in the air that contain the flu virus, make direct contact with respiratory secretions through sharing drinks or utensils, or handle items contaminated by an infected person. In the latter case, the flu virus on yourskincan infect you when you touch or ...
第一步:我泛读我理解What's the flu?1.主要话题2.关键词:fever, cough tired. sore throat, sick, virus, germs wash, flu shot, mist3.回答问题①HOWCantheflum ItanmakeyOu[∫(e])=∫1e②What's the flu?The flu is a type of virus.③When do most kids get the flu?Most kids get the ...
The flu is a viral infection of the lungs and airways. The virus spreads through droplets in the air when someone with flu coughs or sneezes. You may also get the virus through close contact with someone who has the flu. For example, a person with the virus on his or her hands can ...
The flu is a viral infection of the lungs and airways. The virus spreads through droplets in the air when someone with the flu coughs or sneezes. The virus also spreads through close contact with someone who has the flu. For example, a person with the virus on his or her hands can ...
How to recognize flu, avoid getting it, and prevent spreading it. What is flu and what’s it to you? Influenza, flu for short, is a serious and contagious respiratory illness caused by the influenza virus. Flu mainly spreads via tiny droplets made through coughing, sneezing, or talking. ...
How is H7N9 different from other bird flu viruses we've seen in the past? The H7N9 is a novel reassortantinfluenza A virus, which very likely originated in birds. However, the transmission of H7 viruses to mammals has seldom been reported, andhuman infectionswith N9 subtype viruses had not ...
2. Which of the following statements is TRUE? A. The 2009 swine flu pandemic was a global public health emergency. B. SARS killed about 800 people across the world in 2009. C. The new coronavirus has few cases t...
The H1N1 virus is an A-type influenza virus that is one of the most common causes of flu in humans. The signs that a person has...