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2021

04/01/2021
On 15 December 2020, the Brazil Ministry of Health reported the second confirmed human infection with influenza A(H1N2) variant virus [A(H1N2)v] in Brazil in 2020.
04/01/2021
From 11 November to 28 December, 2020 a total of 67 suspected cholera cases presenting with diarrhea and vomiting, including two deaths a case fatality ratio (CFR: 3%) were reported from the municipalities “Golfe 1” and “Golfe 6” in Lomé, Togo. A total of four health areas (Katanga, Adakpamé, Gbétsogbé in Golfe 1, and Kangnikopé in Golfe 6) in the affected municipalities reported at least one case. On 17 November, cholera was confirmed by culture in the laboratory of the National Institute of Hygiene (INH) in Lomé, Togo and WHO was informed. On 19 November, the Minister of Health, Public Hygiene and Universal Access to Care of Togo issued a press release declaring a cholera outbreak and on 24 November WHO was officially notified. From 11 November to 28 December 2020, a total of 17 out of 41 stool samples tested positive for Vibrio cholerae O1 serotype Ogawa by culture in the National Institute of Hygiene (INH) in Lomé, Togo.

2020

31/12/2020
SARS-CoV-2, the virus that causes COVID-19, has had a major impact on human health globally; infecting a large number of people; causing severe disease and associated long-term health sequelae; resulting in death and excess mortality, especially among older and vulnerable populations; interrupting routine healthcare services; disruptions to travel, trade, education and many other societal functions; and more broadly having a negative impact on peoples physical and mental health. Since the start of the COVID-19 pandemic, WHO has received several reports of unusual public health events possibly due to variants of SARS-CoV-2. WHO routinely assesses if variants of SARS-CoV-2 result in changes in transmissibility, clinical presentation and severity, or if they impact on countermeasures, including diagnostics, therapeutics and vaccines. Previous reports of the D614G mutation and the recent reports of virus variants from the Kingdom of Denmark, the United Kingdom of Great Britain and Northern Ireland, and the Republic of South Africa have raised interest and concern in the impact of viral changes. A variant of SARS-CoV-2 with a D614G substitution in the gene encoding the spike protein emerged in late January or early February 2020. Over a period of several months, the D614G mutation replaced the initial SARS-CoV-2 strain identified in China and by June 2020 became the dominant form of the virus circulating globally. Studies in human respiratory cells and in animal models demonstrated that compared to the initial virus strain, the strain with the D614G substitution has increased infectivity and transmission. The SARS-CoV-2 virus with the D614G substitution does not cause more severe illness or alter the effectiveness of existing laboratory diagnostics, therapeutics, vaccines, or public health preventive measures.
29/12/2020
From October to December 2020, a total of seven confirmed cases of yellow fever (YF) have been reported from four health districts in three regions in Senegal.
23/12/2020
Between 6 November and 15 December 2020, 52 suspected cases of yellow fever (YF), including 14
21/12/2020
On 14 December 2020, authorities of the United Kingdom (UK) reported to WHO that a new SARS-CoV-2 variant was identified through viral genomic sequencing. This variant is referred to as SARS-CoV-2 VUI 202012/01 (Variant Under Investigation, year 2020, month 12, variant 01).
03/12/2020
Since June 2020, Danish authorities have reported an extensive spread of SARS-CoV-2, the virus that causes COVID-19, on mink farms in Denmark.
27/11/2020
Between 8 September and 24 November, 2020, the North-Central region of Burkina Faso reported a
24/11/2020
Reports of a cluster of deaths from an undiagnosed disease were notified on 1 November 2020 through Event Based Surveillance in two states, Delta and Enugu, located in southern Nigeria.

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