With the first batch of Pfizer's COVID-19 vaccines arriving by end February, you may be wondering if they're safe for you and your family members. Dato' Dr Musa Mohd Nordin, consultant paediatrician, is one of the country's foremost experts on vaccination. On this special "AMA" episode of Ask A Doctor, you can Ask Musa Anything about COVID-19 vaccines, including whether you should get the shot, is it effective, and are there side effects. 

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