The clinic nurse is teaching the parent of the 3-year-old with rubella. Which information should the nurse provide?

B You need to observe for pneumonia, a common complication; if pregnant, you do not need to worry about being exposed to rubella. A The period of communicability is 7 days before and 5 days after the rash appears; many cases are asymptomatic, and complications are rare. D The incubation period is 7 to 14 days; complications are rare, but those who are pregnant should not be exposed to rubella. C The period of communicability is 5 days before and 14 days after the rash appears; there are no teratogenic effects from the virus on fetuses.