influenza a dan b gejala influenza tipe a The flu, in contrast, is caused only by influenza viruses. Most commonly, it's caused by the two main types of viruses that cause seasonal flu epidemics in humans: influenza A and B
influenza tipe a Patients with influenza AH3N2 or B were less likely to require hospitalization and supplemental oxygen relative with those with influenza AH1N1pdm09. In regard to risk factors, the risk for intensive care unit admission was not associated with patient age, sex, or influenza type. Moreover, length of hospital stay was not significantly
influenza type a This rapid evidence summary identified and summarised evidence relating to the infectious and incubation period of influenza H5. It explores the time frame in which an individual may transmit