What are WHO’s Alert Levels for Swine Flu (or Influenza A(H1N1))?
The World Health Organisation has six (6) phases of preparedness for swine flu ((or Influenza A(H1N1)):
Phase 1 – No new reports of animal viruses infecting humans
Phase 2 – Animal virus known to have infected humans
Phase 3 – Sporadic outbreaks in people. But no sustained community level human-to-human infection
Phase 4 – Community-level human-to-human outbreaks. “Significant increase of risk of pandemic”.
Phase 5 – Human-to-human outbreaks in two countries. Strong signal that a pandemic is imminent.
Phase 6 – Human-to-human outbreaks in at least three countries. Pandemic underway.
Tags: a/h1n1 | alert level | h1n1 | influenza | swine flu
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1 Response to “What are WHO’s Alert Levels for Swine Flu (or Influenza A(H1N1))?”.
[...] UPDATE The World Health Organization, an agency of the United Nations, raised its pandemic flu alert on 6 June 2009 to the top phase 6 on a six-point scale for the influenza A H1N1 virus. The move will trigger heightened health measures in the WHO’s 193 member states. The move to phase 6 reflects the fact that the disease is spreading geographically, but does not necessarily indicate how severe it is. Learn more about WHO’s alert levels. [...]
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