Correct option is D
Sol. Rubella is also called German measles, caused by the rubella virus. It is a mild viral infection with rash and fever but dangerous in pregnancy due to risk of congenital rubella syndrome. It's different from measles (rubeola), which is more severe.
Explanation of each option:
· (a) Tetanus – A bacterial infection caused by Clostridium tetani, not related to rubella.
· (b) Whooping cough – Caused by Bordetella pertussis, presents with severe coughing fits, not rash.
· (c) Measles – Caused by rubeola virus; more severe than rubella and with different clinical signs.
· (d) German Measles – Correct. Common alternate name for rubella due to its discovery in Germany.