"during"的搜索结果

public health scientist collecting field data during a plague epidemiologic investigation

标签: public,health,scientist,collec

photograph shows the firing of cannon nets during the attempted capture of birds

标签: photograph,shows,the,firing,of

photograph showed a public health professional consulting with an elderly woman during the swine flu

标签: photograph,showed,a,public,hea

peru hospital waiting room that had to be converted to an emergency cholera ward during an epidemic

标签: peru,hospital,waiting,room,tha

bangladesh secretaries of health as he was seated behind his desk during a meeting

标签: bangladesh,secretaries,of,heal

pretoria south africa during the medical evacuation of del conn

标签: pretoria,south,africa,during,t

victoria falls photo was taken during a visit to rhodesia now zimbabwe

标签: victoria,falls,photo,was,taken

this location was one of the many hospitals visited by public health officials during the 1975 rhodesian

标签: this,location,was,one,of,the,m

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

标签: nurse,in,an,isolation,ward,dur

group of dead adult mosquitoes scattered uniformly throught the field of view during a vector control study

标签: group,of,dead,adult,mosquitoes

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

标签: historical,photograph,inside,o

administration of a vaccine during immunization project

标签: administration,of,a,vaccine,du

drummers are following their chief during ceremony in west africa

标签: drummers,are,following,their,c

these are healthcare practitioners during the smallpox immunization program in bangladesh

标签: these,are,healthcare,practitio

jet injector gun being used during mass smallpox immunization procedures

标签: jet,injector,gun,being,used,du