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nurse is shown standing near sewage pipes outside of an infectious disease hospital in johannesburg

nurse in an isolation ward during the 1975 marburg outbreak in johannesburg south africa

hospital nurse was photographed while checking the vital signs of an isolated hospital staff member

washing hands with soap and water or an alcohol scrub

this prepared slide offers an example of the appearance of a satisfactory thick film blood smear

this giemsa stained slide depicts an example of properly prepared thick and thin film blood smears to be examined

prepared slide offers an example of the appearance of marginal quality thick and thin film blood smears

preparation the thick film was allowed to dry on an uneven slanted surface rendering an improper result

larva left and an adult female right of the oriental rat flea xenopsylla cheopis

historical photograph inside of an operating room suite during a surgical procedure

entomologic field technicians investigating a tropical site in haiti known to be an anopheles spp mosquito

wing venation of an unidentified deceased dragonfly

proximal region of the stinger apparatus of an unidentified hymenopteran insect

entomologic field technician using an aspiration suction tube in order to trap adult mosquitoes
