Which Flu Shot Is Best?

How effective is the 2019/2020 flu shot?

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 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 …

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.

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 is the best flu vaccine for 2019?

For the 2019-2020 flu season, providers may choose to administer any licensed, age-appropriate flu vaccine (IIV, RIV4, or LAIV4). Options this season include: Standard dose flu shots. Like all inactivated influenza vaccines, these are given into the muscle.

What type of flu shot should I get?

What kinds of flu vaccines are available? CDC recommends use of any licensed, age-appropriate influenza vaccine during the 2020-2021 influenza season, including inactivated influenza vaccine [IIV], recombinant influenza vaccine [RIV], or live attenuated influenza vaccine (LAIV).

What strains are in the 2020 flu vaccine?

2020 seasonal influenza vaccinesan A/Brisbane/02/2018 (H1N1)pdm09-like virus;an A/South Australia/34/2019 (H3N2)-like virus;a B/Washington/02/2019-like (B/Victoria lineage) virus; and.a B/Phuket/3073/2013-like (B/Yamagata lineage) virus.

Is the flu shot effective 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%.

Are there different flu shots for 2020?

There are two new vaccines licensed for use during the 2020-2021 flu season. The first is a quadrivalent high-dose vaccine licensed for use in adults 65 years and older. This vaccine will replace the previously licensed trivalent high-dose vaccine.

What are the two types of flu shots this year?

Quadrivalent flu vaccinesRegular standard-dose quadrivalent shot. The standard-dose flu shot is available to people ages 6 months and older. … High-dose quadrivalent shot. … Jet injection quadrivalent shot. … Recombinant quadrivalent shot. … Live attenuated intranasal spray.

How long does the flu shot last 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.