Influenza Virus Human | Health Dissertation
Influenza Virus Human Chapter 1 Introduction Influenza Influenza virus is an important human pathogen. The virus causes epidemics annually resulting in an estimated 250,000 to 500,000 deaths worldwide (WHOa). In the USA alone, 5-20% of the population become infected every year resulting in an estimated 200,000 influenza related hospitalisations and 36,000 deaths (CDC). Influenza virus can also cause pandemics, with three occurring during the 20th century. The first, “Spanish flu”, began in 1918. It is estimated that “Spanish flu” resulted […]