respiratory infection(n = noun.state) respiratory tract infection - any infection of the respiratory tract; Array
is a kind of infection
has particulars: lower respiratory infection, upper respiratory infection

adult respiratory distress syndrome, cross infection, eye infection, focal infection, fungal infection, infection, locus of infection, lower respiratory infection, lower respiratory tract, lower respiratory tract smear, nonsocial infection, opportunistic infection, protozoal infection, respiratory, respiratory acidosis, respiratory alkalosis, respiratory center, respiratory disease, respiratory disorder, respiratory distress syndrome, respiratory distress syndrome of the newborn, respiratory illness, respiratory organ, respiratory quotient, respiratory rate, respiratory syncytial virus, respiratory system, respiratory tract, respiratory tract infection, risk of infection, severe acute respiratory syndrome, staphylococcal infection, tapeworm infection, throat infection, upper respiratory infection, upper respiratory tract, urinary tract infection, venereal infection, vincent's infection, viral infection, virus infection