[Acute infection of the respiratory tract and its pathogens].
D003139:Common Cold; D003141:Communicable Diseases; D006801:Humans; D009956:Psittacosis; D012137:Respiratory System; D012141:Respiratory Tract Infections / Q000209:etiology*; D014777:Virus Diseases
COMMON COLD; ORNITHOSIS; RESPIRATORY TRACT INFECTIONS/etiology; VIRUS DISEASES