It depends upon when you receive the last second shot of Pfizer vaccine. If you received it more than nine months ago then you might be eligible for a booster shot.
If you are in India there is no evidence on efficacy of giving booster of Covi shield after Pfizer vaccine
Next Steps
Follow the govt guideline for vaccination. .
Health Tips
Follow COvId appropriate behaviour that will help. Two shots of any vaccine continue to provide protection against severe disease.
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Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.
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