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How long after the second Moderna vaccine is it effective?
Read full article: How long after the second Moderna vaccine is it effective?More and more people are getting vaccinated each day. With more and more people getting vaccinated every single day, you might have some questions about the vaccines, including the Moderna variety. Most importantly, when will the vaccine become effective once youāve received both doses of it? Your arm might feel sore after getting the shots, and you may experience tiredness, headaches, chills and even a fever. AdThe CDC says those symptoms can be worse after the second shot.