After reconstitution, the vaccine must be stored in the dark at 2-8 degree C and used within: September 2004
Ans. D i.e. 6 hour Reconstituted measles vaccine loses about 50% of its potency after 1 hour at 20 degree C; it loses almost all potency after 1 hour at 37 degree C.
1 hour
2 hours
3 hours
6 hours