A nurse is teaching a prenatal class about infection prevention at a community center. Which of the following statements by a client indicates an understanding of the teaching?

I should wash my hands for 10 seconds with hot water after working in the garden.

I can visit my nephew who has chickenpox 5 days after the sores have crusted.

I can clean my cat’s litter box during my pregnancy.

I should avoid contact with anyone who has a cold sore.