There are other variations of the vaccine, but generally, kids need to be vaccinated against all three viruses in similar timeframe and the vaccine for each virus is made in similar way so having one jab instead of three separate jabs is generally more acceptable.
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There are other variations of the vaccine, but generally, kids need to be vaccinated against all three viruses in similar timeframe and the vaccine for each virus is made in similar way so having one jab instead of three separate jabs is generally more acceptable.