title: Importance of disease surveillance.
mesh_terms: D000917:Antibody Formation; D001428:Bacterial Vaccines; D003140:Communicable Disease Control; D003141:Communicable Diseases / Q000175:diagnosis / Q000276:immunology; D004352:Drug Resistance, Microbial; D006801:Humans; D007114:Immunization; D008826:Microbial Sensitivity Tests; D009017:Morbidity; D009026:Mortality; D011159:Population Surveillance; D012698:Serologic Tests; D014481:United States; D014611:Vaccination; D014765:Viral Vaccines
chemical_list: D001428:Bacterial Vaccines; D014765:Viral Vaccines