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 收藏 ...
What is influenza (the flu)?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 ...
What is influenza (the flu)?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...
Influenza is a viral infection that affects the respiratory tract. Also called the flu, influenza can cause a fever, fatigue...
刷刷题APP(shuashuati.com)是专业的大学生刷题搜题拍题答疑工具,刷刷题提供What is known about the influenza virusA.It was first found in a group of very old birds.B.All the different strains can be found in wild birds.C.It existed over 100 million years ago
百度试题 结果1 题目What does "HIV" stand for? A. Hepatitis Influenza Virus B. Human Immunodeficiency Virus C. High Intensity Virus D. Heart Infection Virus 相关知识点: 试题来源: 解析 B 反馈 收藏
A. B virus is relatively stable and causes mild infections that do not spread far through the population. B. B virus is unstable, and is responsible for the epidemics that cause frequent concern. C. B virus is extremely unstable and is responsible for some of the worst outbreaks of the di...
(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 influenza A...
Influenza hemagglutinin is a type of substance that is attached to the surface of the influenza virus and is responsible for...
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