What is "public health emergency of international concern"?

Public health emergencies of international concern (pheic) refer to unusual events determined in accordance with the provisions of the international health regulations: (I) public health risks to other countries through the international spread of diseases; and (II) coordinated international response measures may be required （1） In the event of a public health emergency of international concern, the director general shall issue interim recommendations in accordance with the procedure Such interim recommendations may be modified or continued as appropriate, including after determining that public health emergencies of international concern have ended, and other interim recommendations may be issued as necessary to prevent or quickly detect their comeback （2） Interim recommendations may include health measures to be taken by parties or other parties to public health emergencies of international concern with respect to persons, luggage, goods, containers, means of transport, articles and / or postal parcels, with a view to preventing or reducing the international spread of disease and avoiding unnecessary interference with international traffic （3） The interim proposal may be withdrawn at any time in accordance with the procedure and shall automatically expire three months after its publication The temporary proposal can be modified or extended for three months The interim proposal can be at most sustainable to the Second World Health Assembly after identifying public health emergencies of international concern （1） Recommendations issued by the World Health Organization to States parties regarding personnel may include the following: – specific health measures are not necessary; – review of travel history in affected areas; – review medical examination certificates and any laboratory analysis results; – medical examination is required; – review the certification of vaccination or other preventive measures; – vaccination or other preventive measures are required; – public health observation of suspects; – quarantine or other sanitary measures for suspects; – isolation and necessary treatment of infected persons; – tracking people in contact with a suspect or infected person; – no suspect or infected person is allowed to enter the country; – deny uninfected persons access to the affected area; and – conduct Exit inspections and / or restrict the exit of persons from affected areas （2） The recommendations issued by the World Health Organization to States parties concerning luggage, goods, containers, means of transport, articles and postal parcels may include the following observations: – specific health measures are not necessary; – review of cargo manifest and route; – conduct inspections; – examination of evidence of measures taken to eliminate infection or pollution at the time of departure or transit; – handling of luggage, cargo, containers, vehicles, articles, parcels or skeletons to eliminate sources of infection or contamination (including vectors and hosts); – take specific hygiene measures to ensure safe handling and transport of skeletons; – quarantine or quarantine;