Post-exposure immunization is done for

*MMR vaccine if administrate within 72 hours of exposure or immunoglobulin if administrate within 6 days of exposure provide some protection or modify the clinical course of disease. Measles vaccine Prepared in chick embryo cell line Thermolabile Injected subcutaneously Indication: Under national immunisation schedule of India , measles vaccine is given at 9 months of age along with vit A supplements. Side effects: Toxic shock syndrome ,mild measles like illness may develop in 15 -20% of vaccines. REF:Anantha Narayanan and paniker's textbook of microbiology 9th edition.