Hepatitis B Available to Purchase

People acutely infected with hepatitis B virus (HBV) may be asymptomatic or symptomatic. The likelihood of developing symptoms of acute hepatitis is age- dependent: less than 1% of infants younger than 1 year, 5% to 15% of children 1 through 5 years of age, and 30% to 50% of people 6 through 30 years are symptomatic. Few data are available for adults older than 30 years. The spectrum of signs and symptoms is varied and includes subacute illness with nonspecific symptoms (eg, anorexia, nausea, or malaise), clinical hepatitis with jaundice, or fulminant hepatitis. Gianotti-Crosti syndrome (papular acrodermatitis), urticaria, macular rash,...