<unk>  Polio Day, a child swallows vaccine drops and is marked as vaccinated (felt-nib pen on finger). The<unk>  Polio immunisation campaign eliminated polio from India. The<unk>  is a method used to eradicate an epidemic by repeatedly vaccinating a group at risk, over a defined age range, until the spread of the pathogen has been stopped. It is most commonly used during measles and polio epidemics to quickly stop the spread and contain the outbreak.
Pulse vaccination strategy
Targeted immunization strategies
Vaccine therapy
Vaccine bundling
Pre-exposure prophylaxis
Alternative vaccination schedule
Post-exposure prophylaxis
Active immunization