how effective is the flu vaccine 2019?

how effective is the flu vaccine 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.
Full answer in: www.aafp.org
How effective is the flu shot 2019 Canada?
When the Canadian Sentinel Practitioner Surveillance Network (SPSN) reported that the influenza vaccine had a vaccine effectiveness of 72% against influenza A(H1N1)pdm09 for the 2018– 2019 season among individuals presenting to outpatient clinics with influenza -like illness, it means that the vaccinated individuals in ... Jun 6, 2019
Full answer in: www.canada.ca
Is the flu shot safe 2020?
The flu vaccine is very safe, although there are some groups of people that shouldn't get it. They include: children less than 6 months of age. people who have had a severe reaction to the flu vaccine or any of its ingredients.
Full answer in: www.healthline.com
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