Xavier and Yogender stay in the same hostel of the same university. Xavier develops infection with Group B meningococcus. After a few days, Yogender develops infection due to Group C meningococcus. All the following are true statements except
No vaccine prophylaxis can be given to contacts of Xavier as there is no effective vaccine available for Group B Meningococcus.
Vaccine prophylaxis of contacts of Xavier
Educate students about meningococcal transmission and take preventive measures
Chemoprophylaxis against both Group B and Group C
Vaccine prophylaxis of contacts of Yogender