There are two main types of influenza (flu) that affect humans, known asinfluenza A and influenza B. These two viruses areresponsible for the majority of seasonal flu epidemics that break out each year,with most cases occurring during the winter period.6 Influenza A is believed to cause more...
Influenza type C differs from types A and B in some important ways. Type C infection usually causes either a very mild respiratory illness or no symptoms at all. It does not cause epidemics and does not have the severe public health impact of influenza types A and B. Efforts to control ...
InfluenzaHuman challenge studySymptomsVirusIn clinical studies involving a healthy volunteer human challenge model, a valid and reliable measure to assess the evolution of patient-reported symptom type and severity following viral exposure is necessary. This study examines the use of the InFLUenza Patient...
The symptoms of influenza are quite similar to those of other more serious diseases.A.YB.NC.NG 相关知识点: 试题来源: 解析 B 正确答案:B解析:这是关于流感症状的描述,故可定位于第八段。根据第八段第四句“These symptoms are similar to symptoms of other,milder diseases.”可判断本题为[N]。
Bird flu is caused by strains of the influenza virus that have evolved to be specially adapted to enter avian cells. There are three main types of influenza: A, B, and C. The virus that causes bird flu is influenza A type with eight RNA strands that make up its genome. Influenza virus...
Each year there tends to be a new strain of flu virus that infects people, and even those who have been sick with the flu before are vulnerable to infection with the new strain.4 What are the different types of flu? Influenza Type A and influenza Type B are the flu viruses that affec...
百度试题 结果1 题目 The most common symptoms of influenza include: a high fever, (1) nose, (2) throat, muscle pains, headache, coughing, and feeling tired. 相关知识点: 试题来源: 解析 runny# sore 反馈 收藏
Influenza is also called the flu. What causes influenza (flu)? The flu is caused by a virus and there are thousands of different strains of influenza virus. These have been classified into four types: A, B, C, and D. Only types A and B have been associated with seasonal outbreaks in...
People should keep a distance of () from those who show symptoms of influenza-like illness. A. at least half a meter B. at least one meter C. at least one and a half meters D. at least two meters 相关知识点: 试题来源: 解析 B ...
Learn about influenza (flu) symptoms, treatment with antiviral drugs, flu shot side effects, and prevention during flu season. Discover when to get the flu vaccine, how long the flu lasts, the contagious period, flu types, and how it spreads.