Delayed 2009 Pandemic Influenza A Virus Subtype H1N1 Circulation in West Africa, May 2009-April 2010

被引：25

作者：

Nzussouo, Ndahwouh Talla ^{[1
,2
]}

Michalove, Jennifer ^{[2
]}

Diop, Ousmane M. ^{[3
]}

Njouom, Richard ^{[4
]}

Monteiro, Maria de Lourdes ^{[6
]}

Adje, Herve Kadjo ^{[5
]}

Manoncourt, Serge

Amankwa, Joseph ^{[7
]}

Koivogui, Lamine ^{[8
]}

Sow, Samba ^{[9
]}

Elkory, Mohamed Brahim ^{[10
]}

Collard, Jean-Marc ^{[11
]}

Dalhatu, Ibrahim ^{[13
]}

Niang, Mbayame Ndiaye ^{[3
]}

Lafond, Kathryn ^{[2
]}

Moniz, Filomena ^{[12
]}

Coulibaly, Daouda ^{[14
]}

Kronman, Karl C.

Oyofo, Buhari A.

Ampofo, William ^{[15
]}

Tamboura, Boubou ^{[9
]}

Bara, Ahmed Ould ^{[10
]}

Jusot, Jean-Francois ^{[11
]}

Ekanem, Ekanem ^{[13
]}

Sarr, Fatoumata Diene ^{[3
]}

Hwang, Inzune ^{[2
]}

Cornelius, Claire

Coker, Babajide ^{[16
]}

Lindstrom, Stephen ^{[2
]}

Davis, Richard ^{[2
]}

Dueger, Erica ^{[2
]}

Moen, Ann ^{[2
]}

Widdowson, Marc-Alain ^{[2
]}

机构：

[1] Univ Ghana, US Naval Med Res Unit 3, Noguchi Mem Inst Med Res, Global Dis Detect & Response Program,NAMRU 3, Legon, Accra, Ghana

[2] US Ctr Dis Control & Prevent, Influenza Div, Atlanta, GA USA

[3] Inst Pasteur, Natl Influenza Ctr, Dakar, Senegal

[4] Ctr Pasteur Cameroon, Natl Influenza Ctr, Yaounde, Cameroon

[5] IPCI, Natl Influenza Ctr, Abidjan, Cote Ivoire

[6] Minist Hlth, Praia, Cape Verde

[7] Ghana Hlth Serv, Publ Hlth Div, Accra, Ghana

[8] CHU Donka, Lab Virol PFHG, Conakry, Guinea

[9] Ctr Dev Vaccins Mali CVD, Ctr Natl Appui Lutte Malad CNAM, Influenza Reference Lab, Bamako, Mali

[10] INRSP, Virol Lab, Nouakchott, Mauritania

[11] Ctr Rech Med & Sanit CERMES, Influenza Reference Lab, Niamey, Niger

[12] Natl Lab Network, Praia, Cape Verde

[13] Ctr Dis Control CDC Nigeria, Abuja, Nigeria

[14] INHP, Abidjan, Cote Ivoire

[15] NMIMR, Natl Influenza Ctr, Accra, Ghana

[16] Fed Minist Hlth, Abuja, Nigeria

来源：

JOURNAL OF INFECTIOUS DISEASES | 2012年 / 206卷

关键词：

D O I：

10.1093/infdis/jis572

中图分类号：

R392 [医学免疫学]; Q939.91 [免疫学];

学科分类号：

100102 ;

摘要：

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.

引用

页码：S101 / S107

页数：7

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