Influenza A virus, also known as H 1N 1 virus, is a seasonal epidemic caused by orthogonal influenza A viruses. Influenza A is highly contagious and can be spread by droplets. Its clinical symptoms mainly include fever, cough, sore throat, runny nose, etc. In severe cases, it can lead to complications such as pneumonia and myocarditis.
Influenza B virus, also known as H3N2 virus, is an epidemic caused by influenza B virus. The infectivity of influenza B is relatively weak, and it is mainly spread by droplets. The clinical symptoms are similar to those of influenza A, but the symptoms may be mild.
The infection of these two viruses occurs every year, especially in winter and spring. The main way to prevent A/B infection is to maintain personal hygiene habits, such as washing hands frequently, wearing masks and avoiding going to crowded places. In addition, influenza vaccination can also effectively prevent the occurrence of influenza A and B.
Antiviral drugs such as oseltamivir and zanamivir can relieve symptoms and shorten the course of infection, but they should be used in the early stage of virus infection. Symptomatic treatment and supportive treatment are also necessary, such as antipyretic and analgesic, supplementing water and vitamins.
Hazards of flows a and b:
1, A/B virus is highly contagious. It can spread in the crowd in a short time through droplets, forming a large-scale epidemic. Especially for children, the elderly, pregnant women and people with poor immunity, the risk of infection is higher and the condition may be more serious.
2. The harm of influenza A and B viruses is not only caused by influenza itself. Infection may cause various complications, such as pneumonia, myocarditis and meningitis. , may threaten the patient's life. Especially patients with chronic basic diseases, such as asthma and chronic obstructive pulmonary disease. Infection with influenza A and B viruses may aggravate the condition and lead to life-threatening.
3. The spread of A/B virus is not limited by seasons and regions, and it may be prevalent all over the world. This has brought great challenges to public health, and effective prevention and control measures are needed to reduce the spread and harm of the virus.