2 Swine flu Outbreak Feb- Mar 09: unusual respiratory illness occurred In Mexico3-4May:16 Apr: 2nd case from California was confirmed2May:Fra, Kor, Cos1May: Den, Chi30Apr: Net, Swi14 Apr: swine influenza A (H1N1) was identified23 Apr: confirmed swine influenza A (H1N1) case29Apr:Ger, Aus28Apr:UK, Isr,New13Apr: Respiratory illness of unknown origin case in California was notified to CDC12, 16 Apr:Notified to PAHO6Apr: The publicHealth Started investigation27Apr: confirmedin Spain, CanadaUnusual respiratory illness has occurred in Mexico since February 2009, 60%of the town’s population in La Gloria and Veracruz started to fall ill from a mysterious respiratory illness. On 6 April, Mexican public health authority begin investigating unusual cases of pneumonia and ILI. The investigation result reported to Pan-American Health Organization and prompt enhance national surveillance was established.On 13 April CDC was notified by The San Diego country health department of respiratory illness in California of unknown origin. The first case was identified as swine influenza A (H1N1) on 14 April and the second case was identified on 16 April.In the same period Mexico contact Canada to request testing. Until 23Apr public health agency of Canada confirmed Mexico cases of swine influenza A (H1N1). The Pan-American Health Organization is informed that a cluster in Mexico of severe respiratory illness has been laboratory confirmed as swine influenza A (H1N1).The available data showed that the earliest known onset of confirmed case in Mexico was 17 March and in USA was 28 March.Under the international health regulations, emergency committee meets for the first time resulting in the WHO director general declaring a formal public health emergency of international concern.On 27 April, confirmed cases were identified in Canada and Spain and many countries were confirmed a few day after that.According to the virus spreading, the WHO director general issued a statement that containment of the outbreak is not feasible and elevated its pandemic alert from phase 3 to phase 4 on 27 April and raised to phase5 on 29 April.Up to 4 April, There were …..countries that affected the swine influenza A (H1N1) outbreak, …..confirmed cases and ….dead gave case fatality rate of …..15Mar22Mar29Mar5Apr12Apr19Apr26Apr3May10May2009Earliest onset ofconfirmed caseWHO PandemicAlert17Mar:Mexico/La Gloria28 Mar:USA/California27Apr: phase429Apr: phase5
3 Cumulative number of confirmed influenza A (H1N1) infected cases by WHO reported date 2422Confirmed casesMexico202nd confirmedUS/California18Cumulative number of deadCumulative number of cases16121st confirmedUS/California84April 2009May 2009
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