2009 swine flu pandemic timeline summary
== 2009 Swine Flu Pandemic Timeline Summary ==
The 2009 Swine Flu Pandemic was a global outbreak of a new strain of H1N1 influenza virus that emerged in early 2009. The pandemic had a significant impact on public health and healthcare systems worldwide. Here is a summary of the key events during the 2009 Swine Flu Pandemic:
April 2009[edit | edit source]
- April 15: The first case of the new H1N1 influenza virus is reported in Mexico. - April 24: The World Health Organization (WHO) declares the outbreak a Public Health Emergency of International Concern.
May 2009[edit | edit source]
- May 1: The United States declares a public health emergency in response to the spread of the virus. - May 4: The WHO raises the pandemic alert level to Phase 5, indicating sustained human-to-human transmission. - May 11: The WHO declares the 2009 Swine Flu Pandemic a global pandemic.
June 2009[edit | edit source]
- June 11: The WHO declares the pandemic to be the first influenza pandemic of the 21st century. - June 25: The number of confirmed cases surpasses 70,000 worldwide.
July 2009[edit | edit source]
- July 6: The number of confirmed deaths from the virus exceeds 300. - July 27: The WHO reports that the virus is spreading rapidly in the southern hemisphere.
August 2009[edit | edit source]
- August 10: The WHO reports that the virus is continuing to spread globally. - August 21: The number of confirmed cases worldwide surpasses 200,000.
September 2009[edit | edit source]
- September 10: The WHO announces that the virus has become the dominant influenza strain in many countries. - September 28: The number of confirmed deaths from the virus exceeds 2,000.
October 2009[edit | edit source]
- October 25: The WHO reports that the virus is still circulating in many parts of the world. - October 29: The number of confirmed deaths from the virus surpasses 5,000.
November 2009[edit | edit source]
- November 11: The WHO reports that the virus is causing severe illness in certain populations. - November 18: The number of confirmed cases worldwide surpasses 500,000.
December 2009[edit | edit source]
- December 11: The WHO reports that the virus is still causing illness in many countries. - December 31: The WHO declares the end of the pandemic phase of the 2009 Swine Flu Pandemic.
This timeline provides a brief overview of the key events that occurred during the 2009 Swine Flu Pandemic. The pandemic had a lasting impact on global public health and highlighted the importance of preparedness and response to emerging infectious diseases.
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Contributors: Prab R. Tumpati, MD
