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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Delayed 2009 pandemic influenza a virus subtype H1N1 circulation in West Africa, May 2009-April 2010
Journal of Infectious Diseases, Volume 206, No. SUPPL.1, Year 2012
Notification
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Description
To understand 2009 pandemic influenza A virus subtype H1N1 (A[H1N1]pdm09) circulation in West Africa, we collected influenza surveillance data from ministries of health and influenza laboratories in 10 countries, including Cameroon, from 4 May 2009 through 3 April 2010. A total of 10 203 respiratory specimens were tested, of which 25% were positive for influenza virus. Until the end of December 2009, only 14% of all detected strains were A(H1N1)pdm09, but the frequency increased to 89% from January through 3 April 2010. Five West African countries did not report their first A(H1N1)pdm09 case until 6 months after the emergence of the pandemic in North America, in April 2009. The time from first detection of A(H1N1)pdm09 in a country to the time of A(H1N1)pdm09 predominance varied from 0 to 37 weeks. Seven countries did not report A(H1N1)pdm09 predominance until 2010. Introduction and transmission of A(H1N1)pdm09 were delayed in this region. © 2012 The Author.
Authors & Co-Authors
Talla-Nzussouo, Ndahwouh
United States, Atlanta
Centers for Disease Control and Prevention
Egypt
U.s. Naval Medical Research Unit No. 3 Namru-3
Michalove, Jennifer
United States, Atlanta
Centers for Disease Control and Prevention
Diop, Ousmane Madiagne
Senegal, Dakar
Institut Pasteur de Dakar
Njouom, Richard
Cameroon, Yaounde
Centre Pasteur du Cameroun
Monteiro, Maria De Lourdes
Cape Verde, Praia
Ministry of Health Praia
Adje, Herve Kadjo
Cote D'ivoire, Abidjan
Institut Pasteur de Cote-d'ivoire
Manoncourt, Serge
Egypt
U.s. Naval Medical Research Unit No. 3 Namru-3
Amankwa, Joseph A.
Ghana, Accra
Ministry of Lands, Forestry and Mines, Ghana
Koivogui, Lamine
Guinea, Conakry
Chu Donka
Sow, Samba Ousmane
Mali, Bamako
Centre National D'appui à la Lutte Contre la Maladie Cnam, Centre Pour le Développement Des Vaccins du Mali Cvd
Elkory, Mohamed Brahim
Mauritania
Institut National Recherche en Sante Publique Inrsp
Collard, Jean Marc
Niger, Niamey
Centre de Recherche Medicale et Sanitaire Niamey
Dalhatu, Ibrahim Tijjani
United States, Atlanta
Centers for Disease Control and Prevention
Niang, Mbayame N’Diaye D.
Senegal, Dakar
Institut Pasteur de Dakar
Lafond, Kathryn E.
United States, Atlanta
Centers for Disease Control and Prevention
Moniz, Filomena
Cape Verde, Praia
National Laboratory Network
Coulibaly, Daouda
Cote D'ivoire, Abidjan
Institut National D'hygiène Publique Inhp
Kronman, Karl C.
Egypt
Naval Medical Research Unit No. 3 Namru-3
Oyofo, Buhari Anthony
Egypt
Naval Medical Research Unit No. 3 Namru-3
Ampofo, William Kwabena
Ghana, Accra
Noguchi Memorial Institute for Medical Research
Tamboura, Boubou
Mali, Bamako
Centre National D'appui à la Lutte Contre la Maladie Cnam, Centre Pour le Développement Des Vaccins du Mali Cvd
Bara, Ahmed Ould
Mauritania
Institut National Recherche en Sante Publique Inrsp
Jusot, Jean François
Niger, Niamey
Centre de Recherche Medicale et Sanitaire Niamey
Ekanem, Ekanem Efiong
United States, Atlanta
Centers for Disease Control and Prevention
Sarr, Fatoumata Diène
Senegal, Dakar
Institut Pasteur de Dakar
Hwang, Inzune
United States, Atlanta
Centers for Disease Control and Prevention
Cornelius, Claire
Egypt
Naval Medical Research Unit No. 3 Namru-3
Coker, Babajide
Nigeria, Abuja
Federal Ministry of Health
Lindstrom, Stephen E.
United States, Atlanta
Centers for Disease Control and Prevention
Davis, Richard
United States, Atlanta
Centers for Disease Control and Prevention
Dueger, Erica L.
United States, Atlanta
Centers for Disease Control and Prevention
Egypt
U.s. Naval Medical Research Unit No. 3 Namru-3
Moen, Ann C.
United States, Atlanta
Centers for Disease Control and Prevention
Widdowson, Marc Alain
United States, Atlanta
Centers for Disease Control and Prevention
Statistics
Citations: 33
Authors: 33
Affiliations: 16
Identifiers
Doi:
10.1093/infdis/jis572
ISSN:
00221899
Study Locations
Multi-countries
Cameroon