triplet

She moved with her family from New York - which does not allow religious exemptions for vaccines - to Florida, so her six-year-old unvaccinated triplets could attend public school with the waiver.

In this case, the woman was pregnant with triplets and two of the foetuses began to grow inside the abdomen of the baby.

Baby O was born in June 2016, one of triplet brothers.

"It happened by chance," said Rose, the eldest of the triplets.

Chapin's mother said her son, who was a triplet, was "the life of the party" and "the kindest person".