Getting vaccinated is still the best way to protect against flu! Here's everything you need to know, including where you can get your flu vaccine: MondayMotivation MondayThoughts
What is meant by a “good match” between viruses in the vaccine and circulating influenza viruses?
A “good match” is said to occur when the flu vaccine viruses used to produce flu vaccine and the viruses circulating among people during a given influenza season are “like” one another such that the antibodies produced by vaccination protect against infection with circulating viruses.During seasons when one or more of the circulating viruses are different or “drifted” from the vaccine viruses, vaccine effectiveness against the drifted viruses can be reduced.
.) Because of these factors, there is always the possibility of a less than optimal match between circulating viruses and the viruses used to produce vaccine. The production process for some seasonal vaccines also may impact how well vaccine works against certain viruses, especially influenza A viruses. Growth in eggs is part of the production process for most seasonal flu vaccines. While all influenza viruses undergo changes when they are grown in eggs, changes in influenza A viruses are more likely to result in antigenic changes compared with changes in other influenza viruses.
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