Projet (anglais)

WHA58.3

ANNEX 2 DECISION INSTRUMENT FOR THE ASSESSMENT AND NOTIFICATION OF EVENTS THAT MAY CONSTITUTE A PUBLIC HEALTH EMERGENCY OF INTERNATIONAL CONCERN

Events detected by national surveillance system (see Annex 1)

A case of the following Any event of potential An event involving the following diseases is unusual or international public diseases shall always lead to unexpected and may health concern, utilization of the algorithm, have serious public OR including those of OR because they have demonstrated health impact, and thus unknown causes or the ability to cause serious shall be notifieda, b: sources and those public health impact and to - Smallpox involving other events spread rapidly internationallyb: - Poliomyelitis due to or diseases than those - Cholera wild-type listed in the box on the - Pneumonic plague poliovirus left and the box on the - Yellow fever - Human influenza right shall lead to - Viral haemorrhagic fevers caused by a new utilization of the (Ebola, Lassa, Marburg) subtype algorithm. - West Nile fever - Severe acute - Other diseases that are of respiratory special national or regional syndrome (SARS). concern, e.g. dengue fever,

Is the public health impact Rift Valley fever, and of the event serious? meningococcal disease.

Yes No

Is the event unusual or Is the event unusual or unexpected? unexpected?

Yes No Yes No

Is there a significant risk of Is there a significant risk of international spread? international spread?

Yes No Yes No

Is there a significant risk of inter-

national travel or trade restrictions?

Not notified at this Yes No stage. Reassess when more information becomes available.

EVENT SHALL BE NOTIFIED TO WHO UNDER THE INTERNATIONAL HEALTH REGULATIONS

a As per WHO case definitions. b The disease list shall be used only for the purposes of these Regulations.