And they undoubtedly did everything right but still got Covid:

He, his wife and his 5-year-old son tested positive, after his 4-year-old daughter tested positive last weekend. They are all vaccinated, with the exception of the 4-year-old, who is too young to be eligible for any vaccine. Murthy said his son has a runny nose and low-grade fever but is otherwise fine. He didn’t say whether he’s experiencing symptoms.

Source: Surgeon general and his entire family test positive for COVID-19

By EdwardM