In a epidemic of poliomyelitis, the best way to stop spread is by -
- within an epidemic area, OPV should be provided for all persons over 6 weeks of age who have not been completely immunised or whose immune status is unknown. - OPV offers herd immunity and this propey is used in controlling epidemic. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:208 <\p>
Injection of killed vaccine
OPV drops to all children
Isolation of cases
Chlorination of all wells
Communicable diseases