viral hepatitis is a generalized infection affecting the entire human body, although it mainly casts an effect on the liver, causing inflammation. mainly 5 viral agents are responsible for causing almost all cases of acute viral hepatitis, namely hepatitis a virus (hav), hepatitis b virus (hbv), hepatitis c virus (hcv), hepatitis d virus (hdv), and hepatitis e virus (hev)1. in india, all but hdv are prevalent. hav infection most notably occurs in children, although there is a dynamic epidemiology in most parts of india. historically, hev has been linked to many large-scale epidemics and is still the most common cause of acute sporadic cases of hepatitis in india2. hav also generally causes an acute infection. hav and hev are transmitted feco-orally, via food and water.
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