What does influenza mean?

Influenza refers to the flu. Generally, influenza is an acute respiratory infectious disease caused by the influenza virus. A detailed explanation is as follows:

The primary pathogens causing influenza are influenza A and B viruses. The antigenic variation characteristics of the influenza virus give it a high level of contagiousness. The general population is susceptible, and individuals within the same population can experience multiple infections. Symptoms of influenza typically include high fever, fatigue, headache, and sore throat, with relatively mild respiratory symptoms. The virus mainly spreads via droplets; for example, droplets generated from sneezing or coughing contain the virus, and others may become infected after inhaling these droplets.

The infection process of the influenza virus includes stages such as the virus binding to respiratory surface cells, entering the cells, and replicating, ultimately leading to the onset of systemic symptoms. Influenza not only affects patients' physical health but may also lead to severe complications, such as pneumonia and myocarditis; therefore, timely medical treatment is necessary.

Influenza patients should actively cooperate with their doctors' treatment, take medication on schedule, rest adequately, and avoid excessive fatigue.