- How many people get the flu each year worldwide?
- How effective is the flu shot for 2019?
- How long do flu shots protect you?
- What month do flu shots become available?
- Is it too late to get a flu shot?
- How many strains in flu shot 2019?
- Why does flu season end?
- What strain was the flu shot for 2020?
- How many people got the flu shot in 2019?
- What are the negatives of getting a flu shot?
- Does the flu shot lower your immune system?
- Does the flu shot contain mercury?
- How many people died from the Spanish flu?
- How many people died in car crashes each year?
- How many deaths occur during a normal flu season?
- How effective is the flu shot this year 2020?
- Is the flu shot necessary for healthy adults?
- How bad is the 2019/2020 flu season?
How many people get the flu each year worldwide?
Influenza is a highly contagious respiratory illness that is responsible for significant morbidity and mortality.
Approximately 9% of the world’s population is affected annually, with up to 1 billion infections, 3 to 5 million severe cases, and 300,000 to 500,000 deaths each year..
How effective is the flu shot for 2019?
21 CDC Morbidity and Mortality Weekly Report, the current influenza vaccine has been 45% effective overall against 2019-2020 seasonal influenza A and B viruses. Specifically, the flu vaccine has been 50% effective against influenza B/Victoria viruses and 37% effective against influenza A(H1N1)pdm09.
How long do flu shots protect you?
How long does immunity from influenza vaccine last? Protection from influenza vaccine is thought to persist for at least 6 months. Protection declines over time because of waning antibody levels and because of changes in circulating influenza viruses from year to year.
What month do flu shots become available?
People should begin getting vaccinated soon after the 2020 flu vaccine becomes available on April 1st, to ensure that as many people as possible are protected before flu season begins. However, as long as flu viruses are circulating in the community, it’s not too late to get vaccinated.
Is it too late to get a flu shot?
The answer? No, it’s not too late. “In the northern hemisphere, the CDC recommends getting vaccinated between early September and late October. The flu virus is around all year, but it spreads more easily from September through the spring, generally peaking between December and February.”
How many strains in flu shot 2019?
Flu vaccines protect against the three or four viruses (depending on the vaccine) that research suggests will be most common. For 2019-2020, trivalent (three-component) vaccines are recommended to contain: A/Brisbane/02/2018 (H1N1)pdm09-like virus (updated) A/Kansas/14/2017 (H3N2)-like virus (updated)
Why does flu season end?
Why flu season is in the fall and winter “The virus survives better in cool, dry temperatures,” Simanek said. And that’s thanks to a protective gel-like coating that surrounds the flu virus while it’s in the air. The flu is an airborne infectious disease.
What strain was the flu shot for 2020?
The committee recommended that the quadrivalent formulation of cell- or recombinant based influenza vaccines for the U.S. 2020-2021 influenza season contain the following: an A/Hawaii/70/2019 (H1N1) pdm09-like virus; an A/HongKong/45/2019 (H3N2)-like virus; a B/Washington/02/2019- like virus (B/Victoria lineage);
How many people got the flu shot in 2019?
During the 2018-2019 season, 62.6% of children between six months and 17 years got a flu shot. Among adults, 45.3% of people got vaccines. The vaccination rate varied by race and ethnicity, with 51% of non-Hispanic white people getting the vaccine compared with 44.7% of the non-Hispanic Black population.
What are the negatives of getting a flu shot?
Some possible downsides to flu shots include:only about 40–60% of flu shots are effective in preventing the flu each year.they can take up to 2 weeks to start working.sometimes, they cause mild side effects, such as pain, redness, and swelling at the injection site.More items…•
Does the flu shot lower your immune system?
Getting a flu shot does not weaken your immune system and make you more likely to get the flu. Getting a flu vaccine prepares your immune system for the flu. A flu vaccine teaches your immune system to recognize that virus as a threat.
Does the flu shot contain mercury?
WHAT THE EVIDENCE SAYS: Currently available flu vaccines are aluminum-free and over 80% of flu vaccines today contain no mercury at all. Some flu vaccines contain a tiny amount of formaldehyde that is less than 1% of the amount naturally found in people and is safely cleared from the body.
How many people died from the Spanish flu?
50,000,000Spanish flu/Number of deaths
How many people died in car crashes each year?
1.35 million peopleApproximately 1.35 million people die in road crashes each year, on average 3,700 people lose their lives every day on the roads.
How many deaths occur during a normal flu season?
While the impact of flu varies, it places a substantial burden on the health of people in the United States each year. CDC estimates that influenza has resulted in between 9 million – 45 million illnesses, between 140,000 – 810,000 hospitalizations and between 12,000 – 61,000 deaths annually since 2010.
How effective is the flu shot this year 2020?
CDC’s influenza vaccination coverage reports show that overall flu vaccination coverage (among people 6 months and older) during 2019-2020 increased from the previous season to nearly 52%.
Is the flu shot necessary for healthy adults?
While it’s especially important for people who have a chronic illness to get the flu shot, anyone — even healthy folks — can benefit from being vaccinated. Current CDC guidelines recommend yearly vaccination against influenza for everyone older than 6 months of age, including pregnant women.
How bad is the 2019/2020 flu season?
CDC estimates that the burden of illness during the 2019–2020 season was moderate with an estimated 38 million people sick with flu, 18 million visits to a health care provider for flu, 400,000 hospitalizations for flu, and 22,000 flu deaths (Table 1).