Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group.
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013296
Streptococcus pneumoniae
A gram-positive organism found in the upper respiratory tract, inflammatory exudates, and various body fluids of normal and/or diseased humans and, rarely, domestic animals.
Diplococcus pneumoniae,Pneumococcus
D018550
Cephalosporin Resistance
Non-susceptibility of an organism to the action of the cephalosporins.