WHO Disease Outbreak News

WHO disease outbreak news
  1. Listeriosis– Spain

    On 16 August 2019, Regional Health Authorities in Andalusia, Spain, reported an outbreak of listeriosis, caused by the bacteria Listeria monocytogenes (L. monocytogenes), associated with the consumption of a chilled roasted pork meat product manufactured in Spain by Magrudis Company Limited and sold under the brand name “La Mechá”.
  2. Ebola virus disease – Democratic Republic of the Congo

    Ebola virus disease (EVD) transmission in the Democratic Republic of the Congo continued to ease this past week, with 40 new confirmed cases reported in North Kivu and Ituri provinces; this is the lowest weekly incidence since March 2019. While these signs are promising, it remains too soon to tell if this trend will persist. Emerging hotspots continue to pose challenges in terms of accessibility, insecurity, and violence. Surveillance indicators highlight that public health risks of further spread remain very high.

    During the past 21 days (from 21 August through 10 September 2019), a total of 157 confirmed cases were reported form 15 health zones (Table 1, Figure 2), with the majority coming from the health zones of Kalunguta (19%, n=30), Beni (18%, n=28), Mambasa (16%, n=25), and Mandima (13%, n=20). Alimbongo, Oicha, and Pinga health zones recently passed 21 days without a new confirmed case of EVD.
  3. Circulating vaccine-derived poliovirus type 2 – Republic of Ghana

    In Nigeria and West Africa, a cVDPV2 outbreak originating from Jigawa state, Nigeria, continues to spread. In Ghana, cVDPV2 was isolated from an acute flaccid paralysis (AFP) case in Ando-Nyamanu, Chereponi district, Northern Region, bordering Togo. The case was a two-year old girl who had experienced onset of paralysis on 27 July 2019. Stool samples were taken on 27 and 28 July 2019, and sent to the National Polio Laboratory at the Noguchi Memorial Institute for Medical Research for further laboratory investigations. The sample tested positive for cVDPV2 on 17 August 2019. Sequencing of the sample from the AFP case revealed 25 nucleotide differences compared to the reference Sabin 2 and 6 nucleotides, with the closest sequencing match made with an AFP case originating from Jigsaw state, Nigeria from 2018. Earlier, a related cVDPV2 strain had been isolated from an environmental sample, collected on 11 June 2019, from Northern Region in Ghana. Both isolated viruses were linked to an outbreak originating in Jigawa, Nigeria, in 2018. In the past, this same strain had spread within Nigeria, and internationally to the Republic of Niger, Benin, and Cameroon.

    The last indigenous wild poliovirus was reported in 2000. This is the first ever reported cVDPV2 outbreak reported in the country.
  4. Ebola virus disease – Democratic Republic of the Congo

    The intensity of Ebola virus disease (EVD) transmission in the North Kivu, South Kivu, and Ituri provinces remains substantial, with 57 new cases reported since the last EVD in the Democratic Republic of the Congo Disease Outbreak News Update on 29 August.
  5. Ebola virus disease – Democratic Republic of the Congo

    The Ebola virus disease (EVD) outbreak in North Kivu, South Kivu, and Ituri provinces in the Democratic Republic of the Congo continued this week with similar transmission intensity to the previous six weeks, with an average of 77 cases per week (Figure 1).
  6. Middle East respiratory syndrome coronavirus (MERS-CoV) – The Kingdom of Saudi Arabia

    From 1 through 31 July 2019, the National IHR Focal Point of Saudi Arabia reported 9 additional laboratory-confirmed cases of Middle East respiratory syndrome (MERS-CoV) infection and 4 associated deaths. The cases were reported from Riyadh (5 cases), Najran (3 cases), Al-Qassim (1 case) regions. There were no clusters of cases reported during this time period.

    The link below provides details of the 9 reported cases :
  7. Ebola virus disease – Democratic Republic of the Congo

    The Ebola virus disease (EVD) outbreak in North Kivu and Ituri provinces in the Democratic Republic of the Congo continued this week with similar transmission intensity (Figure 1).
  8. Circulating vaccine-derived poliovirus type 1 – Myanmar

    On 23 June 2019, a vaccine-derived poliovirus type 1 (VDPV1) was isolated from a two -year- old child with acute flaccid paralysis (AFP), with onset of paralysis on 22 May 2019 from Kayin state, Myanmar. Subsequently, on 11 July 2019, a genetically linked VDPV1 was isolated from the same state from a 5-year 6-month-old child with AFP, with date of onset of paralysis on 14 June, and it was classified as circulating VDPV1 (cVDPV1) on 12 July 2019. On 25 July 2019, cVDPV1 was isolated from a third AFP case from the same state, with date of onset of paralysis on 23 May 2019. Subsequently, on 19 August 2019, a fourth case of VDPV1 has been confirmed in a six-year-old child, with onset of paralysis on 23 July 2019. The child has no history of vaccination with OPV. In addition, the virus has also been isolated from seven healthy community contacts. These linked viruses have 25 to 31 nucleotide changes from Sabin 1. All cases and contacts are from Hpapun township of Kayin state, Myanmar.

    Myanmar’s routine immunization coverage is estimated at 91% for three doses of bivalent oral polio vaccine (bOPV) in 2018. Neighbouring countries including Thailand and other countries in South East Asia have been informed of the confirmed cVDPV1, and subnational surveillance is being strengthened across the region. In 2018, Myanmar and Kayin state met certification standards for AFP surveillance with non-polio AFP rate of 3.45, and stool adequacy rate of 100% for Kayin state.
  9. Ebola virus disease – Democratic Republic of the Congo

    The Ebola virus disease (EVD) outbreak in North Kivu and Ituri provinces in the Democratic Republic of the Congo continued this week with similar transmission intensity to recent weeks, with an average of 81 cases per week (range 68 to 91 cases per week) in the past six weeks (Figure 1).
  10. Ebola virus disease – Democratic Republic of the Congo

    The Ebola virus disease (EVD) outbreak in North Kivu and Ituri provinces in the Democratic Republic of the Congo continued this week with similar transmission intensity to recent weeks with an average of 86 cases per week (range 80 to 91 cases per week) in the past six weeks (Figure 1).

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