Communicable disease threats report, 24-30 April 2016, week 17

Surveillance report
Publication series: Communicable Disease Threats Report (CDTR)
Time period covered: 24 - 30 April 2016

​The ECDC Communicable Disease Threats Report (CDTR) is a weekly bulletin for epidemiologists and health professionals on active public health threats. This issue covers the period 24-30 April 2016 and includes updates on Zika virus, Ebola virus disease, and yellow fever in Angola.

Executive summary

Seasonal influenza – Europe

In week 16/2016, influenza activity continued to decrease in the WHO European Region. Most countries (92%) reported low intensity, with associated lower numbers of specimens being collected and fewer testing positive for influenza virus (22%) than in the previous week (35%).

ECDC monitors influenza activity in Europe during the winter season and publishes its report weekly on the Flu News Europe website.

Measles – Europe

In an on-going outbreak in Romania, the number of measles cases reached 129 by 28 April 2016. Of these, 104 cases were unvaccinated. This outbreak is affecting communities who live on the border between Bistrita Nasaud and Cluj districts. Response activities are on-going.

On 26 April 2016, Public Health England (PHE) informed about a measles outbreak in London with over 60 cases reported in the last two months (48 of the cases aged 15 or older). PHE is calling on parents and young adults to consider the Measles, Mumps and Rubella vaccine.

Yellow fever – Africa

There is an ongoing outbreak of yellow fever in Angola which started in December 2015 and spread to six highly populated provinces in the country.  A mass immunisation campaign is underway.

As of 26 April 2016, 2 023 suspected cases and 258 deaths were reported in Angola, of which 653 were laboratory-confirmed cases (70% were from Luanda province). In the week to 24 April, 115 new suspect cases, eight new deaths and 36 new confirmed yellow fever cases were reported. Yellow fever cases in people who travelled from Angola have been reported in three countries: China (11 cases), Democratic Republic of Congo (16 cases with 3 in Kinshasa) and Kenya (two cases).

The government of the Democratic Republic of Congo declared a yellow fever outbreak on 23 April 2016.
Uganda reported 39 suspect cases of yellow fever cases in seven districts as of 27 April 2017.