Norwalk virus strikes in Pocahontas county.
Mills
S B
SB
D017250:Caliciviridae Infections / Q000453:epidemiology*; D004196:Disease Outbreaks; D005759:Gastroenteritis / Q000453:epidemiology / Q000821:virology*; D006801:Humans; D009663:Norwalk virus; D014903:West Virginia / Q000453:epidemiology