Avian Influenza and the Pandemic Threat

20 NOVEMBER 2009 | GENEVA -- The Norwegian Institute of Public Health has informed WHO of a mutation detected in three H1N1 viruses. The viruses were isolated from the first two fatal cases of pandemic influenza in the country and one patient with severe illness.

Norwegian scientists have analysed samples from more than 70 patients with clinical illness and no further instances of this mutation have been detected. This finding suggests that the mutation is not widespread in the country.

Laboratory-confirmed cases of pandemic (H1N1) 2009 as officially reported to WHO by States Parties to the International Health Regulations (2005)

The breakdown of the number of laboratory-confirmed cases is given in this table and the following map.

Map of the spread of pandemic (H1N1) 2009: number of laboratory confirmed cases and deaths [png 172kb]

As of 07:00 GMT, 12 June 2009, 74 countries have officially reported 29,669 cases of influenza A(H1N1) infection, including 145 deaths.

The breakdown of the number of laboratory-confirmed cases by country is given in the following table and map.

Map of the spread of Influenza A(H1N1): number of laboratory confirmed cases and deaths [png 203kb]

As of 14:00 GMT, 11 June 2009, 74 countries have officially reported 28,774 cases of influenza A(H1N1) infection, including 144 deaths.

The breakdown of the number of laboratory-confirmed cases by country is given in the following table and map.

Map of the spread of Influenza A(H1N1): number of laboratory confirmed cases and deaths [png 202kb]

As of 06:00 GMT, 10 June 2009, 74 countries have officially reported 27,737 cases of influenza A(H1N1) infection, including 141 deaths.

The breakdown of the number of laboratory-confirmed cases by country is given in the following table and map.

Map of the spread of Influenza A(H1N1): number of laboratory confirmed cases and deaths [png 200kb]