influenza a symptoms influenza a adalah Symptoms of the flu such as a sore throat and a runny or stuffy nose are common. You may also get these symptoms with other illness such as a cold. But colds tend to start slowly, and the flu tends to come on quickly, within two or three days after you come in contact with the virus
influenza a Learn about influenza, a viral infection that causes fever, cough, sore throat and other symptoms. Find out how to prevent and treat influenza, and who is at risk of complications
virus influenza a Influenza, also known as the flu, is an infection caused by influenza viruses. There are three main types - Type A, Type B and Type C. Influenza A H1N1-2009, Influenza A H3N2 and Influenza B are the most common influenza viruses circulating globally and in Singapore