The polio virus was found in the child who lives in Chaghi district's Barabcha area that lies close to the Pakistan-Afghan border, Dawn online said, citing its sources from the Balochistan Health Department.
"At this point in time, we cannot say whether the parents had refused polio drops," the paper quoted sources as saying.
The 2014 was the toughest year for the Pakistan anti-polio programme as the number of confirmed cases were 296, the highest in the country since 1999.
During the past six months, Pakistan has topped in the world polio cases, witnessing 85 per cent of all the polio cases that reported around the world. Afghanistan was second with 23 cases and Nigeria on third with six cases.
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In view of increasing such cases, the provincial government has already declared emergency to eradicate the crippling virus from Balochistan.
Security is the main reason for the spread of polio virus as vaccination cannot be organised in tribal areas where Taliban still control large areas. Militants have killed at least 64 health workers and their escorts.
Polio is still endemic in Pakistan, Afghanistan and Nigeria. The World Health Organization in May last year imposed travel restriction on Pakistan.