To date, Samoa, Tonga, Fiji and American Samoa have reported measles cases. The outbreaks in Samoa and Tonga are caused by the D8 strain (genotype) of measles virus. Measles vaccine coverage varies in Pacific island countries and areas, ranging from 31% in Samoa to 99% in the Cook Islands, Nauru and Niue.
This week’s main articles cover key new and ongoing events, including:
Humanitarian crisis in Democratic Republic of the Congo
Malaria outbreak in Burundi
Humanitarian crisis in South Sudan
Ebola virus disease in Democratic Republic of the Congo.
Humanitarian Crisis in Cameroon
Ebola virus disease in the Democratic Republic of the Congo
Measles outbreak in Nigeria.
Humanitarian Crisis in Niger
Ebola virus disease in Democratic Republic of Congo
Humanitarian Crisis in Central African Republic
Cholera in Burundi
167,607 dengue cases, including 720 deaths, reported from 1 January to 27 July 2019: 97% higher than in 2018, in spite of a delayed rainy season.
Case Fatality Rate (CFR) of 0.43% as of 27 July 2019 is lower than in the same time period in 2018 (0.54%), but still significantly higher than the regional average of 0.22% in the Western Pacific.
The Philippines Department of Health (DOH) declared a National Dengue Epidemic on 6 August 2019, urging all regional DOH offices to step up dengue surveillance, case management and outbreak re-sponse, clean-up drives, and vector control in health facilities and communities, conduct Sabayang 4-O’Clock Habit Para sa Deng-Get Out focusing on search and destroy of mosquito breeding sites, and to enable LGUs to use their quick response funds to help address the epidemic.
In the Region of the Americas, between epidemiological week (EW) 1 and EW 52 of 2018, a total of 560,586 cases of dengue were reported (incidence rate of 57.3 cases per 100,000 population), including 336 deaths. Of the total cases, 209,192 (37.3%) were laboratoryconfirmed and 3,535 (0.63%) were classified as severe dengue. Cases reported in 2018 were higher than the total reported in 2017 but lower than the historical average reported in the previous 11 years (2006-2016) (Figure 1). Similarly, the proportion of cases of severe dengue and dengue with warning signs reported in 2018 was higher than the previous two years, but lower than the preceding ten years, and it remains below 1% which was reached in 2015.
Diphtheria in the Americas -Summary of the situation.
In 2018, three countries in the Region of the Americas (Colombia, Haiti, and the Bolivarian Republic of Venezuela) reported confirmed cases of diphtheria. In 2019, Haiti and Venezuela reported confirmed cases.