Communicable disease threats report, 7-13 December 2014, week 50

Surveillance report
Publication series: Communicable Disease Threats Report (CDTR)
Time period covered: 7-13 December 2014

​The ECDC communicable disease threats report is a weekly bulletin intended for epidemiologists and health professionals in the area of communicable disease prevention and control. Summarising information gathered by ECDC through its epidemic intelligence activities regarding communicable disease threats of concern to
the European Union, it also provides updates on the global situation and changes in the epidemiology of communicable diseases with potential to affect Europe, including diseases that are the focus of eradication efforts.

Executive summary

This issue covers the period 7 -14 December 2014 and includes updates on: 

Ebola virus disease(EVD) – West Africa
WHO has reported 18 152 confirmed, probable, and suspected cases of Ebola virus disease, with 6 548 deaths, in five affected countries (Guinea, Liberia, Mali, Sierra Leone and the United States of America) and three previously affected countries (Nigeria, Senegal and Spain) up to 7 December. Since 25 November, no additional cases of EVD have been reported in Mali. As of 7 December, 639 healthcare workers have been reported to be infected with EVD, of which 349 have died.
ECDC published an update of its rapid risk assessment on 18 November 2014.

Poliomyelitis – world
In the past week, nine new cases of wild poliovirus type 1 (WPV1) were reported: eight in Pakistan and one in Afghanistan.
Polio was declared a public health emergency of international concern (PHEIC) on 5 May 2014 due to concerns regarding the increased circulation and the international spread of wild poliovirus during 2014.

Influenza A(H5N1) –world
According to a WHO update from 4 December 2014, eight new human cases of influenza A(H5N1) have been reported in Egypt with onset of disease in November. The cases were reported from Menia (6 cases), Beni Sueff (1) and Assiut (1) governorates.

Influenza – Europe
In week 49, twenty countries reported sporadic influenza activity and nine reported increasing trends in consultations for influenza-like illness  and/or acute respiratory infection. There is no indication that the influenza season has started in the region, which is normal for this time of the year.