. "Electronic books"@en . . . . . . "For more than eight decades the Weekly Epidemiological Record has served as an essential instrument for the collation and dissemination of epidemiological data useful in disease surveillance on a global level. Priority is given to diseases or risk factors known to threaten international health."@en . . . . "Weekly Epidemiological Record Vol. 89 No 44 2014"@en . . "Communicable diseases -- Transmission -- Periodicals." . . "Epidemics -- Periodicals." . . . . "Communicable diseases -- Epidemiology." . . "Epidemiology -- Periodicals." . . "Quarantine." . . "Vaccination." . .