How are vaccines developed? January 31, 2022/in Radio/Audio Spots Johns Hopkins Center for Communication Programs DRC Français Vaccines General Public/by wpengineAudio message broadcast on line 42502 focusing on COVID-19 vaccination in the DRC explaining how vaccines (including for COVID-19) are developed to be safe and effective. Source: How are vaccines developed? Views 439 https://covid19communicationnetwork.org/wp-content/uploads/2020/05/radio.png 224 215 wpengine https://covid19communicationnetwork.org/wp-content/uploads/2020/04/covid19commnetworkLogoImage.jpg wpengine2022-01-31 16:36:372022-01-31 16:36:37How are vaccines developed?