INFLUENZA A SYMPTOMS：Influenza | MeCDC | Maine DHHS

influenza a symptoms   influenza a dan b Flu Symptoms: Flu can cause mild to severe illness and can sometimes lead to death. Flu symptoms usually start from one to four days after infection with the flu virus. A person's symptoms can start suddenly. People who have flu often feel some or all of these symptoms: Cough. Headache. Sore throat. Fever or Chills. Congestion or runny nose

virus influenza a Influenza is an acute respiratory infectious disease caused by influenza viruses. Seasonal influenza leads to approximately one billion cases annually, with 3–5 million cases of severe illness

influenza a symptoms Flu adalah penyakit infeksi saluran pernapasan akut yang disebabkan oleh virus influenza. Virus ini menyerang sistem pernapasan manusia, meliputi hidung, tenggorokan, dan paru-paru. Terdapat tiga jenis utama virus influenza yang dapat menginfeksi manusia, yaitu influenza A, B, dan C. Virus influenza