Coronavirus Vaccine Side Effects: Why do some people get side-effects and some don’t?


While side-effects can be experienced generally, it is common knowledge that no two bodies react the same way to the same vaccine. It can also happen that different vaccines showcase different responses. For example, it has now been shown that Covaxin tends to dole out ‘fewer’ inflammatory reactions in comparison to Covishield.

Therefore, whether or not a person reacts to a vaccine, or has the same reactions as someone else depends on the way the individual system reacts to the antigen in the vaccine. Clinical trials from Pfizer’s mRNA vaccine study also observed that over 50% of people reported suffering from no side-effects after getting the jab, and were still protected.

Apart from this, factors like age, gender, pre-existing immunity, health conditions, use of anti-inflammatory medicines may also impact the side-effects you get. This is one of the reasons why younger people report more side-effects than older people. Newer research also indicates that the time of the day a person gets jabbed may also affect inflammatory reactions.

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