When it comes tothe flu, not all types are created equal. You’ve probably heard that there are a few different types of the flu. According to the CDC, there are three types of influenza viruses: influenza A, influenza B and influenza C. Influenza A and B are the two main types that...
“Influenza”和“flu”这两个词汇在日常用语中经常被提及,尤其是在讨论与感冒相关的疾病时。尽管它们在某些上下文中可以互换使用,但它们之间确实存在一些细微的差别。以下是对这两个词汇的详细比较: ### Influenza(流感) 1. **医学定义**: - “Influenza”(流感)是一个医学术语,用于描述由流感病毒引起的急性呼吸...
Figure 2. An example of influenza antigenic shift and drift Influenza type A viruses undergo two major kinds of changes. One is a series of mutations that occurs over time and causes a gradual evolution of the virus. This is called antigenic "drift." The other kind of change is an abrupt...
Sanofi offers a range of trivalent flu vaccines that help provide active immunization to prevent disease caused by influenza A subtype & type B virus. Please see Important Safety Information or Prescribing Information.
It presents all kind of information related to seasonal flu (the common influenza). It has information about basics, prevention and treatment of the disease, resources for professionals and for specific groups, news and links to other flu websites. It also has some contents in Spanish, Filipino...
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.
Influenza C viruses are also found in people but are milder than type A or B. People generally don't become very ill from type C flu viruses, and this type doesn't cause epidemics. Flu Vaccine Different strains of the flu virus mutate over time and replace the older strains. This is ...
and type A influenza mutates often, yielding new strains of the virus every few years. This means that you can never develop a permanent immunity to influenza. Even if you develop antibodies against a flu virus one year, those antibodies are unlikely to protect you against a new strain of ...
Influenza viruses may be spherical or filamentous in shape, and they are of medium size among common viruses of humans. See Animal virus When a cell is infected by two similar but different viruses of one type, especially type A, various combinations of the original parental viruses may be ...
Type D does not cause human disease. Type A has two different subtypes orstrains, based on the chemical structure of the virus. TheH1N1swine fluvirus is a type A influenza virus. Type B is not divided into subtypes. Both type A and type B are responsible for the seasonal influenza ...