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Flu season is an annually recurring time period characterized by the prevalence of an outbreak of influenza (flu). The season occurs during the cold half of the year in each hemisphere. It takes approximately two days to show symptoms. Influenza activity can sometimes be predicted and even tracked geographically.
United States influenza statistics by flu season. US influenza statistics by flu season. From the Centers for Disease Control and Prevention page called "Disease Burden of Flu": "Each year CDC estimates the burden of influenza in the U.S. CDC uses modeling to estimate the number of flu illnesses, medical visits, hospitalizations, and deaths ...
Most flu vaccines are inactivated and administered via intramuscular injection. LAIVs are sprayed into the nasal cavity. [1] Vaccination recommendations vary by country. Some recommend vaccination for all people above a certain age, such as 6 months, [46] whereas other countries limit recommendations to high-risk groups.
The 2017–2018 flu season was severe for all US populations and resulted in an estimated 41 million cases, 710,000 hospitalizations and 52,000 deaths. This is the highest number of illnesses since the 2009 flu season, when there were an estimated 60 million cases. [6] According to the Centers for Disease Control and Prevention, during the 2017 ...
Influenza (flu) The Centers for Disease Control and Prevention (CDC) estimates that, as of April 4, 2020, the 2019–2020 United States flu season had caused 39 million to 56 million flu illnesses, 410,000 to 740,000 hospitalizations and 24,000 to 62,000 deaths. [1] In January 2020, the Director of the National Institute of Allergies and ...
This is a timeline of influenza, briefly describing major events such as outbreaks, epidemics, pandemics, discoveries and developments of vaccines.In addition to specific year/period-related events, there is the seasonal flu that kills between 250,000 and 500,000 people every year and has claimed between 340 million and 1 billion human lives throughout history.
We’re in the middle of flu season and Florida is one of several states experiencing high levels of influenza-like illnesses, federal data show. Flu hospitalizations are rising across the country ...
"Upcoming 2019-2020 Influenza Season". U.S. Centers for Disease Control and Prevention (CDC). "Seasonal Flu Shot". U.S. Centers for Disease Control and Prevention (CDC). 12 March 2024. "Availability of influenza vaccines by country in EU/EEA in the 2019/20 season". European Centre for Disease Prevention and Control (ECDC). 11 October 2019.