Influenza, commonly referred to as the" flu," is an acute, contagious respiratory infection. The first of the human respiratory viruses to be isolated and characterized, influenza viruses have been studied the most extensively and are the best understood. The term itself,"WP Glezen...
A. Through direct contact. B. Through contaminated food. C. Through the air. D. Through water. 相关知识点: 试题来源: 解析 C。中文解析:文章中提到“Influenza virus spreads mainly through the air when an infected person coughs or sneezes.”,所以流感病毒主要通过空气传播。反馈...
However, staff have been allowed to work in other wards, whether they exhibited symptoms or not. Im not sure of the wisdom or is influenza A not to be feared. The Health Board, in your inbox Our latest articles, guides, and more, delivered daily. ...
Influenza B almost exclusively infects humans and is less common than influenza A. Flu type B also mutates about two to three times more slowly than influenza A. Because humans are the natural host of influenza B, pandemics generally do not occur with influenza B viruses.22 Although scientists...
Influenza hemagglutinin is a type of substance that is attached to the surface of the influenza virus and is responsible for...
Influenza A (H1N1) is caused by virus. When an infected person coughs, sneezes or has close contact with others, it is easy to spread influenza A (H1N1). Your child may transmit influenza A (H1N1) to others within a week or more after the onset of symptoms. What are the symptoms of...
What Is Influenza? The respiratory infection influenza, commonly known as the flu, causes symptoms that include fever, muscle aches, sore throat, and a cough. Once inhaled, flu germs quickly multiply and take over healthy cells. In its early stages, influenza sometimes is confused with the ...
Is B more serious than A? What’s the difference between Influenza B and influenza A? Like influenza A, influenza B is a type of influenza. B patients often have sudden onset, often fever (body temperature up to 39° C -40 ° C), headache, muscle pain, general weakness and other sys...
Get the influenza (flu) vaccine as soon as recommended each year. The flu vaccine is usually available starting in September or October. Flu viruses change, so it is important to get a flu vaccine every year. Get the pneumonia vaccine if recommended. This vaccine is usually recommended every...
Influenza (flu), measles, mumps, and rubella (German measles) viruses Polio or rabies virusesWhat increases my risk for viral encephalitis?Viral encephalitis can affect anyone of any age, but elderly persons and infants are at highest risk. Any of the following can increase your risk:Activities...