What is the duration of contagiousness for German measles (rubella)?

German measles, or rubella, is a contagious viral infection that poses risks primarily to pregnant women and their fetuses. The duration of contagiousness for rubella is typically about 7 days. Individuals with rubella are generally considered contagious from about 7 days before the rash appears until about 7 days after the rash develops. This timeframe reflects the period when the virus can be spread to others.

The specific choice indicating 3 days does not align with the established understanding of rubella's contagious period, which clearly extends longer than that. Knowing this timeline is crucial for effective public health measures to prevent the spread of the virus, particularly in vulnerable populations.