On June 11, 2009, in response to the global spread of a new strain of H1N1 influenza (flu), the World Health Organization (WHO) declared the outbreak to be an influenza pandemic, the first since 1968. The novel H1N1 swine flu was first identified in California in late April. Since then, cases have been reported around the world. When the outbreak began, U.S. officials adopted a response posture under the overall ...
On June 11, 2009, in response to the global spread of a new strain of H1N1 influenza (flu), the World Health Organization (WHO) declared the outbreak to be an influenza pandemic, the first since 1968. WHO said that the pandemic declaration was based on the geographic spread of the new virus, not on increasing severity of the illnesses it causes. Officials now believe the outbreak began in Mexico in March, ...
On June 11, 2009, in response to the global spread of a new strain of H1N1 influenza (flu), the World Health Organization (WHO) declared the outbreak to be an influenza pandemic, the first since 1968. WHO said that the pandemic declaration was based on the geographic spread of the new virus, not on increasing severity of the illnesses it causes. Officials now believe the outbreak began in Mexico in March, ...
On April 29, 2009, in response to the global spread of a new strain of influenza, the World Health Organization (WHO) raised its influenza (flu) pandemic alert level to Phase 5, one level below declaring that a global influenza pandemic was underway. On June 11, as the virus continued to spread on several continents, WHO declared the outbreak to be an influenza pandemic (Phase 6). WHO's pandemic declaration is based ...
On April 29, 2009, the World Health Organization (WHO) raised its influenza (flu) pandemic alert level to Phase 5, one level below declaring that a global influenza pandemic was underway. According to WHO, the declaration of Phase 5 is a strong signal that a pandemic is imminent and that the time to finalize the organization, communication, and implementation of the planned mitigation measures is short. The WHO has increased the ...