Inter-pandemic Investigation: Identification of influenza in humans Identification of novel influenza in humans or animals in the phase: Period between Investigation of novel or animals anywhere in the world with United States with potential implications for human health influenza pandemics influenza A infection in potential implications for human health humans or animals Alert phase: Influenza Recognition: Recognition Increasing number of human cases or Increasing number of human cases or clusters of novel influenza A caused by a new of increased potential for clusters of novel influenza A infection infection in the United States with virus characteristics indicating subtype has been ongoing transmission of a anywhere in the world with virus increased potential for ongoing human-to-human transmission identified in humans novel influenza A virus characteristics, indicating increased potential for ongoing human-to-human transmission Pandemic Phase: Initiation: Initiation of a Confirmation of the first human cases of a Confirmation of human cases of a pandemic influenza virus in the Global spread of pandemic wave pandemic influenza virus anywhere in the United States with demonstrated efficient and sustained human influenza world with demonstrated efficient and transmission caused by a new sustained human-to-human transmission subtype Acceleration: Consistently increasing rate of pandemic Consistently increasing rate of pandemic influenza cases identified Acceleration of a influenza cases identified in the United in the state, indicating established transmission pandemic wave States, indicating established transmission Deceleration: Consistently decreasing rate of pandemic Consistently decreasing rate of pandemic influenza cases in the Deceleration of a influenza in the United States state pandemic wave Preparation Low pandemic influenza activity but Low pandemic influenza activity but continued outbreaks possible Transition Phase: Preparation: Reduction in global for future pandemic continued outbreaks possible in some in the state risk, reduction in waves jurisdictions response activities, or progression toward recovery actions.
Inter-pandemic phase: Period between influenza pandemics Investigation: Investigation of novel influenza A infection in humans or animals Identification of influenza in humans or animals anywhere in the world with potential implications for human health Identification of novel influenza in humans or animals in the United States with potential implications for human health Alert phase: Influenza caused by a new subtype has been identified in humans Recognition: Recognition of increased potential for ongoing transmission of a novel influenza A virus Increasing number of human cases or clusters of novel influenza A infection anywhere in the world with virus characteristics, indicating increased potential for ongoing human-to-human transmission Increasing number of human cases or clusters of novel influenza A infection in the United States with virus characteristics indicating increased potential for ongoing human-to-human transmission Pandemic Phase: Global spread of human influenza caused by a new subtype Initiation: Initiation of a pandemic wave Confirmation of the first human cases of a pandemic influenza virus anywhere in the world with demonstrated efficient and sustained human-to-human transmission Confirmation of human cases of a pandemic influenza virus in the United States with demonstrated efficient and sustained transmission Acceleration: Acceleration of a pandemic wave Consistently increasing rate of pandemic influenza cases identified in the United States, indicating established transmission Consistently increasing rate of pandemic influenza cases identified in the state, indicating established transmission Deceleration: Deceleration of a pandemic wave Consistently decreasing rate of pandemic influenza in the United States Consistently decreasing rate of pandemic influenza cases in the state Transition Phase: Reduction in global risk, reduction in response activities, or progression toward recovery actions. Preparation: Preparation for future pandemic waves Low pandemic influenza activity but continued outbreaks possible in some jurisdictions Low pandemic influenza activity but continued outbreaks possible in the state
EMP%20for%202018%20(Public%20Version)%20Revised%2010.21.2018.docx