COVID-19 Vaccines and Immunity: How Long Does it Take for the Vaccines to Provide Protection? An infectious disease specialist explains how the COVID-19 vaccines work, how long it takes to develop immunity, and what is known about how long immunity lasts. With the COVID-19 vaccines rolling out across the country and more people getting vaccinated, … Continue reading COVID-19 Vaccines and Immunity: How Long Does it Take for the Vaccines to Provide Protection?