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Update on Surveillance for Influenza Viruses with Pandemic Potential and Candidate Vaccine Viruses Nancy Cox, PhD CDC.

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Presentation on theme: "Update on Surveillance for Influenza Viruses with Pandemic Potential and Candidate Vaccine Viruses Nancy Cox, PhD CDC."— Presentation transcript:

1 Update on Surveillance for Influenza Viruses with Pandemic Potential and Candidate Vaccine Viruses Nancy Cox, PhD CDC

2 A(H5N1), A(H9N2), and other Zoonotic Viruses Sept 2011– Feb 2012

3 A(H5N1) activity Country, area or territoryHostGenetic clade BangladeshPoultry Wild birds 2.2.2/2.3.2.1 2.3.2.1 BhutanPoultryunknown CambodiaPoultry Wild birds Human (1) 1.1 ChinaPoultry Human (2) 2.3.2.1 2.3.2.1/2.3.4.2 China, Hong Kong SARPoultry Wild birds 2.3.2.1 Egypt Poultry Humans (9) 2.2.1/2.2.1.1 2.2.1 IndiaPoultry Wild birds unknown Indonesia Poultry Humans (6) unknown 2.1.3.2 IranPoultry2.3.2.1 NepalPoultry Wild birds 2.3.2.1 Viet NamPoultry Human (2) 1.1/2.3.2.1 1.1

4 Month case was reported to WHO Number of cases 584 total cases/345 fatal A(H5N1) human infections

5 A(H5N1) candidate vaccine viruses

6 A(H9N2) candidate vaccine viruses

7 - 12 cases in 2011 - No cases in 20102 A(H3N2)v

8 A(H3N2)v candidate vaccine viruses

9 A(H1N2)v and A(H1N1)v

10 Publications Vaccine composition recommendation report and summary report on H5/H9 vaccine viruses: –WHO GlSRS website: http://www.who.int/influenza/gisrs_laboratory/en/ http://www.who.int/influenza/vaccines/virus/en/ –WHO Weekly Epidemiological Record: http://www.who.int/wer/en/ Candidate vaccine viruses and reagents –http://www.who.int/influenza/vaccines/virus/en/http://www.who.int/influenza/vaccines/virus/en/ WHO Global Influenza Surveillance and Response System (GISRS): GISRS-WHOHQ@who.int

11 Other vaccine viruses H5N1, H9N2 and A(H3N2)v –http://www.who.int/influenza/vaccines/virus/candidates_reagents/a_h 5n1/en/index.htmlhttp://www.who.int/influenza/vaccines/virus/candidates_reagents/a_h 5n1/en/index.html –http://www.who.int/influenza/vaccines/virus/candidates_reagents/a_h 9n2/en/index.htmlhttp://www.who.int/influenza/vaccines/virus/candidates_reagents/a_h 9n2/en/index.html –http://www.who.int/influenza/vaccines/virus/candidates_reagents/vari ant_a_h3n2/en/index.htmlhttp://www.who.int/influenza/vaccines/virus/candidates_reagents/vari ant_a_h3n2/en/index.html B/Victoria/2/87 lineage –B/Brisbane/60/2008–like –http://www.who.int/influenza/vaccines/virus/candidates_reagents/b/e n/index.htmlhttp://www.who.int/influenza/vaccines/virus/candidates_reagents/b/e n/index.html

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