Which Flu Shot Is the Most Effective for the 2021-2022 Flu Season? There are nine flu vaccines available for the 2021-2022 flu season. Some flu vaccines may be a better option for certain people, including older adults and those with egg allergies

Which Flu Shot Is the Most Effective for the 2021-2022 Flu Season? There are nine flu vaccines available for the 2021-2022 flu season. Some flu vaccines may be a better option for certain people, including older adults and those with egg allergies: https://ift.tt/2YDk4Ac Read more... https://ift.tt/2XfYu4v