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Vaccine News & Notes — January 2023

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Vaccine News & Notes — January 2023
January 11, 2023

New CDC video describes how vaccine recommendations are made

In this new 5-minute video released by the Centers for Disease Control and Prevention (CDC), viewers can find out how vaccines recommendations are developed.

Watch the video.

Studies reveal average one-day change in menstrual cycle length following COVID-19 vaccination

As COVID-19 vaccines rolled out, women reported experiencing changes in their menstrual cycles. It was not immediately apparent why this would happen, but due to the concerns and anecdotes, scientists began to take a closer look.

To date, the studies have shown about a one-day lengthening in menstruation after receipt of the first or second dose of COVID-19 vaccine. If the two doses are administered during the same cycle, the length could increase to two days.

A few hypotheses regarding why this happens have been described, but more data will be needed. Find out more:

Other questions about COVID-19 or the vaccines? Don't forget about our dedicated page, COVIDVaccineAnswers.org. We recently reviewed and updated the dozens of questions and answers. Don't see your question? Email us from the page.

"Vaccine-Preventable Disease: The Forgotten Story"

The Immunization Project at Texas Children’s Hospital offers a series of videos in which families share their personal stories of being affected by vaccine-preventable diseases, including COVID-19.

Check out the videos or learn more about The Immunization Project.

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