Once infected, flu patients can also take antivirals to help kill off the virus more quickly. CDC recommends ongoing flu vaccination as long as influenza viruses are circulating, even into January or later.
Treatment with antivirals works best when begun within 48 hours of getting sick, but can still be beneficial when given later in the course of illness. Flu Symptoms Influenza also known as flu is a contagious respiratory illness caused by flu viruses. Flu breakthrough: During the 2009-10 flu season, H1N1 caused the respiratory infection in humans that was commonly referred to as swine flu.
It mates and spreads in the air. Weakness and fatigue: Mayo Clinic does not endorse companies or products.
Please try again. In August 2010, the World Health Organization declared the pandemic over.
CDC uses a model to estimate the numbers of influenza illnesses, medical visits, and hospitalizations in the United States as well as the impact of influenza vaccination on these numbers. Vaccination Summary For Clinicians: Vaccination is especially important for people at high risk for developing flu complications , and their close contacts.
Flu vaccines for 2018-19 protect against the viruses that cause swine flu and one or two other viruses that are expected to be the most common during flu season. Since 2010, CDC estimates that flu has resulted in between 140,000 and 960,000 hospitalizations each year. During the 2018-2019 flu season, CDC began reporting cumulative, in-season estimates of the disease burden of influenza, including estimates of the total number of flu illnesses in the United States.
Child Health , Infections and Parasites. For the most current influenza surveillance information: Unfortunately, that means the vaccine did not provide as much protection against the flu as it would have otherwise.
Overall, four seasons were classified as low severity, seven as moderate, two as high, and none as very high.
Antiviral drugs are effective across all age and risk groups. The United States experiences annual epidemics of seasonal flu.
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