H1n1 Influenza Pandemic

Key points

• The 2009 H1N1 influenza (swine flu) outbreak was first observed in Mexico in early 2009. In June 2009, the WHO declared the outbreak to be a pandemic.
• patients with chronic illnesses and those on immunosuppressants
• pregnant women
• young children under 5 years old Features The majority of symptoms are typical of those seen in a flu- like illness:
• fever greater than 38ºC