Infectious disease and community health.
D001424:Bacterial Infections / Q000517:prevention & control*; D003153:Community Health Services; D003428:Cross Infection / Q000517:prevention & control; D006506:Hepatitis A / Q000517:prevention & control; D006801:Humans; D012480:Salmonella Infections / Q000517:prevention & control; D013203:Staphylococcal Infections / Q000517:prevention & control; D013290:Streptococcal Infections / Q000517:prevention & control; D014481:United States