A member asked:

Got flu shot five days ago. woke up with terrible cough and body aches today. how long does it take for the antibody to become present and offer prote?

A doctor has provided 1 answer
Dr. Al Hegab answered

Specializes in Allergy and Immunology

14 to 21 days: It usualky takes 2 - 3 weeks 4 antibodies 2 kick in and start protection which might not b 100%.

Answered 11/13/2019

4.7k views

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