This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
Incubation period of rubella is - 
Select and explain. 
A. 18-72 hours, B. 2-3 weeks, C. 1-3 months, D. >1 year
B: 2-3 weeks
Answer: B: 2-3 weeks 
Explanation: The incubation period of rubella is 2-3weeks REF:<\p> ANATHANARAYANAN MICROBIOLOGY NINTH EDITION PAGE.555