Polio virus is shed in stool up to -
- the polio is transmitted by faecal oral route by contaminmates food , water or hands. - in faeces, the virus is excreted as long as 3-4 months. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:205 <\p>
6 weeks
8 weeks
10 weeks
12 weeks
Communicable diseases