![2017-2018 Estimated Influenza Illnesses, Medical visits, and Hospitalizations Averted by Vaccination in the United States | CDC 2017-2018 Estimated Influenza Illnesses, Medical visits, and Hospitalizations Averted by Vaccination in the United States | CDC](https://www.cdc.gov/flu/images/vaccines-work/benefits-of-flu-vaccination20191080px.jpg)
2017-2018 Estimated Influenza Illnesses, Medical visits, and Hospitalizations Averted by Vaccination in the United States | CDC
![National Survey: Black Adult Perspectives on COVID-19 and Flu Vaccines – National Foundation for Infectious Diseases National Survey: Black Adult Perspectives on COVID-19 and Flu Vaccines – National Foundation for Infectious Diseases](https://i0.wp.com/www.nfid.org/wp-content/uploads/2021/02/112100113-06_NFID_Infographic_1.2.21_v4_6-scaled.jpg?ssl=1)
National Survey: Black Adult Perspectives on COVID-19 and Flu Vaccines – National Foundation for Infectious Diseases
![A chimeric hemagglutinin-based universal influenza virus vaccine approach induces broad and long-lasting immunity in a randomized, placebo-controlled phase I trial | Nature Medicine A chimeric hemagglutinin-based universal influenza virus vaccine approach induces broad and long-lasting immunity in a randomized, placebo-controlled phase I trial | Nature Medicine](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41591-020-1118-7/MediaObjects/41591_2020_1118_Fig1_HTML.png)
A chimeric hemagglutinin-based universal influenza virus vaccine approach induces broad and long-lasting immunity in a randomized, placebo-controlled phase I trial | Nature Medicine
![How Long Does it Take Flu Vaccine to Work? (And Why You Should Get One Now) | Hartford HealthCare | CT How Long Does it Take Flu Vaccine to Work? (And Why You Should Get One Now) | Hartford HealthCare | CT](https://healthnewshub.org/wp-content/uploads/2017/08/Newsflushotdate.jpg)