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COVID-19 Vaccine Information

COVID-19 Vaccine Information

COVID-19 vaccines teach our immune systems how to recognize and fight the virus that causes COVID-19. Sometimes this process can cause side effects, such as fever, tiredness, headache, muscle pain, or redness and pain on the arm you received the shot. These symptoms are normal and are signs that the body is building protection against the virus that causes COVID-19.

COVID-19 vaccines protect people from getting infected and severely ill, and significantly reduce the likelihood for hospitalization and death. Some people who are fully vaccinated against COVID-19 will still get sick because no vaccine is 100% effective; these are called breakthrough cases.

Vaccinating children will help protect them from getting COVID-19, therefore reducing their risk of severe disease, hospitalization and long-term COVID-19 complications. Getting your children vaccinated can also reduce disruptions to in-person learning and activities by helping curb community transmission.

When are you considered up to date?

You are up to date with your COVID-19 vaccines when you have received all doses in the primary series and all booster doses recommended for you, when eligible. The recommendations will be different depending on which vaccine you received, your age, your health status, and when you first got vaccinated. You can use CDC’s COVID-19 booster tool to learn if and when you can get boosters to stay up to date with your COVID-19 vaccines.


VIRA (Vaccine Information Resource Assistant) is a bilingual chatbot that provides dependable COVID-19 vaccine-related information. It was developed by the Johns Hopkins International Vaccine Access Center.

Type in your question and the chatbot will understand and respond. VIRA knows COVID-19 vaccine topics that include vaccine effectiveness, safety, and eligibility.

Chat with VIRA on WhatsApp at +1 410-401-0306 or through the direct link below:
VIRA the Chatbot:
VIRA the Chatbot-Spanish: