Influenza (AKA the flu)

Introduction / Background / History: Influenza is epidemic every year worldwide, infecting millions of people in various countries. Influenza is a fatal virus and is a highly contagious respiratory disease caused by influenza virus. Influenza occurs frequently in winter and early spring. Influenza virus attacks the body through the upper respiratory tract or lower respiratory tract. Traces of influenza are recorded as early as the 12th century.

Influenza: Influenza, often called "influenza", is a highly contagious respiratory disease caused by influenza A or B. Influenza occurs frequently in winter and early spring. Influenza spreads through upper and lower respiratory tracts and attacks the body. It is one of the greatest killers on earth. It may also appear. Government plan: Afecture DOH (Ministry of Health) is one of the major departments responsible for national health related issues. They do various plans and exercises to prevent various diseases. Each country needs to cooperate to develop unilateral health and environmental standards

Influenza is also called "influenza" and is a virus that infects the respiratory tract. Influenza is not as serious as many viral infections, but it is almost the most serious respiratory virus infection. Usually, when someone suffers from influenza, they feel fever (usually 100 - 103 F, even higher in children), cough, sore throat, runny nose, stuffy headache headaches, muscle pain, and usually extreme There is a feeling of exhaustion. Sometimes other symptoms such as nausea, vomiting, diarrhea occur occasionally, but usually only in very few cases. Another note: the term "influenza" is not really caused by influenza virus

In 1918, the influenza virus spread all over the world, causing a global epidemic. This epidemic is called 1918 or the Spanish flu. This is caused by an influenza A (H1N1) virus that scientists believe are mutating from influenza virus previously infected only to birds. Its evolution and change are sufficient to infect humans and spread quickly among people. Since this type of influenza virus has never been infected, it will soon infect many people.