Is The Flu Shot Effective This Year 2020?

Do Flu Shots Really Work?

What do recent vaccine effectiveness studies show.

Recent studies show flu vaccine can reduce the risk of flu illness by between 40% and 60% among the overall population during seasons when most circulating flu viruses are well matched to the flu vaccine viruses..

What flu is going around 2020?

“Nationally, flu activity has been elevated … and continues to increase; this represents somewhat of an early start to the U.S. flu season,” said Scott Pauley, a press officer for CDC. “Flu activity is currently being caused mostly by influenza B/Victoria viruses, followed by H1N1 viruses and H3N2 viruses.

Is the Flu A or B worse?

In the past, it was thought that infection with influenza A was more severe than infection with influenza B. However, a 2015 study in adults with influenza A and influenza B found they both resulted in similar rates of illness and death.

How effective is the flu shot for 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%.

Does the flu shot work this year?

According to the Centers for Disease Control (CDC), the flu vaccine prevented an estimated 4 million flu illnesses and 3,500 deaths in the 2018–2019 flu season. The flu shot also kept almost 60,000 people out of the hospital in that same period. The flu shot may lower your chances of getting the flu by up to 60%.

How long is flu shot effective 2020?

The flu shot offers protection against the flu for at least 6 months. Healthcare professionals usually vaccinate most people in October, when flu activity typically begins to increase, so their immunity will last until the following April.

Does flu shot weaken 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.

What strains does the flu shot cover 2020?

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)B/Colorado/06/2017-like (Victoria lineage) virus.

Is it harmful to get 2 flu shots?

In adults, studies have not shown a benefit from getting more than one dose of vaccine during the same influenza season, even among elderly persons with weakened immune systems. Except for children getting vaccinated for the first time, only one dose of flu vaccine is recommended each season.

Are there 2 different flu shots this year?

For 2020-2021, all flu vaccines except one are quadrivalent. The only trivalent flu vaccine available this year is Fluad, an adjuvant vaccine for people aged 65+. (Confusingly, Fluad is available this year in both trivalent and quadrivalent forms.)

How many flu shots died 2019?

During the 2018–19 influenza season, in which influenza A(H3N2) and A(H1N1)pdm09 viruses cocirculated, interim VE was estimated to be 29% against illnesses associated with any influenza virus (8) and vaccination was estimated to prevent 4.4 million illnesses, 2.3 million medical visits, 58,000 hospitalizations, and …