This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: VBDs, Arboviral & Viral Infections, Surface Infections, Subject name: Social & Preventive Medicine
Toxic shock syndrome is mostly due to which vaccine? 
Select and explain. 
A. Mumps, B. Measles, C. Salk, D. Tetanus
B: Measles
Answer: B: Measles 
Explanation: TSS occurs when Measles Vaccine is Contaminated or the same l is used for more than one session on the same day or next day. It reflects poor Quality of Immunization Services . It is totally preventable. Symptoms are severe watery diarrohoea, vomiting and high fever. Case fatality rates are high. It may cause death within 48 hrs.