Does the COVID-19 vaccine lose its effectiveness over time and should it be taken annually like the flu shot?

At KPRC 2, we are committed to keeping Houstonians informed. As part of our Ask 2 series, the newsroom will answer your questions about all things Houston.

Ask: Does the COVID-19 vaccine lose its effectiveness over time and should it be taken annually like the flu shot?

Answer:. According to the Centers for Disease Control and Prevention (CDC), experts are still studying how long vaccination-induced immunity lasts.

COMPLETE COVERAGE: Follow the latest vaccine news in our dedicated section

Vaccines manufactured by Pfizer-BioNTech and Moderna are approved by the FDA for emergency authorization. Both vaccines require recipients to receive two doses, 21 days apart, to achieve a maximum effectiveness of approximately 95%.

According to NBC News senior medical correspondent, Dr. John Torres, vaccination-induced immunity is expected to last for a few years; however, more research needs to be done to determine the longevity of its effectiveness.

Do you have a burning question about H-Town? Send it our way and we’ll try to find an answer.