INFLUENZA H1N1 2009

By nardacastrol
  • FIRST INFECTION

    FIRST INFECTION

    First case of infection in humans by the influenza A H1N1 virus detected in California.
  • CANDIDATE VACCINE

    CANDIDATE VACCINE

    CDC began work to develop a vaccine candidate virus.

  • PUBLIC EMERGENCY

    The World Health Organization declared a public health emergency of international concern.

  • IT STARTED TO BEEN WORSE

    2009 H1N1 influenza summer activity peaked in the United States during May and June

  • STUDENTS

    Peak school dismissal day in the spring phase of the pandemic. 980 schools were dismissed, affecting 607,778 students.

  • PREGNANT WOMEN

    CDC reported early data on 2009 H1N1 illness among pregnant women in an MMWR.
  • WORLDWIDE PANDEMIC

    WORLDWIDE PANDEMIC

    The World Health Organization (WHO) declared a pandemic and raised the worldwide pandemic alert level to phase 6, which means the virus was spreading to other parts of the world.
    CDC held its first press conference with former CDC Director Thomas Frieden, MD, MPH. The press conference had 2,355 participants
  • NEW STATES DISCOVERED ILLNESS

    NEW STATES DISCOVERED ILLNESS

    All 50 states, the District of Colombia, Puerto Rico and the U.S. Virgin Islands had reported cases of 2009 H1N1 infection.
    By late-June, more than 30 summer camps in the U.S. had reported outbreaks of 2009 H1N1 influenza illness. CDC released guidance for day and residential camps to reduce spread of influenza.
  • CLINICAL TRIALS OF THE VACCINE

    CLINICAL TRIALS OF THE VACCINE

    Clinical trials testing the 2009 H1N1 flu vaccine began.

  • USA ESTIMATED MORE CASES

    CDC estimated at least 1 million cases of 2009 H1N1 influenza had occurred in the United States.

  • SCHOOL SUSPENSION

    CDC's School Suspension Monitoring System (SDMS) was activated.
  • KITS SEND TO MANY COUNTRIES

    KITS SEND TO MANY COUNTRIES

    More than 1,000 test kits shipped to 120 domestic and 250 international laboratories in 140 countries since May 1, 2009.

  • APPROVATION OF VACCINES

    The FDA announced its approval of four 2009 H1N1 influenza vaccines.
    Timelineicon
    September 30
    U.S. states placed first orders of 2009 H1N1 vaccine.

  • FIRST ORDER OF VACCINES TO THE US

    U.S. states placed first orders of 2009 H1N1 vaccine.

  • VACCINE OPEN TO EVERYBODY

    Vaccination against 2009 H1N1 influenza had been opened to anyone who wanted to be vaccinated.

  • NATIONAL INFLUENZA VACCINATION WEEK

    The President of the United States declared National Influenza Vaccination Week (NIVW) and encouraged all Americans to celebrate the week by getting vaccinated against 2009 H1N1 influenza.

  • INFLUENZA H1N1

    FDA’s VRBPAC selected 2009 H1N1 virus for inclusion in 2010-2011 seasonal flu vaccine

  • RECOMMENDATIONS

    WHO published recommendations for the composition of influenza virus vaccines for the upcoming Northern Hemisphere influenza season. Components included a 2009 H1N1-like virus.

  • END

    Announced the end of the 2009 H1N1 influenza pandemic