EPI and CDR technical briefings at WHO headquarters.
D003140:Communicable Disease Control / Q000379:methods; D003906:Developing Countries; D003967:Diarrhea / Q000517:prevention & control*; D006801:Humans; D007318:Inservice Training; D012141:Respiratory Tract Infections / Q000517:prevention & control*; D014611:Vaccination; D014944:World Health Organization