The deadly virus has claimed 60 lives so far in India in January. The number of people infected by the virus in China rises to 25. The Nigerian government confirmed the outbreak of bird flu in 11 states.

India

There has been a sudden surge in the number of swine flu cases and fatalities as a result across India in January, compared to sporadic cases of the disease last year.

Officials in Pune said 661 people were diagnosed with the deadly virus while 60 died of swine flu this month.

Telangana reported maximum cases (238) followed by Delhi (179), Gujarat (91), Rajasthan (67) and Maharashtra (42).

Rajasthan has been the worst hit, where the toll from swine flu mounted to 29 with two more deaths on Wednesday. Two men, aged 24 and 38, died in Jaipur and Ajmer while five tested positive.

In Ajmer, the health department was put on high alert and leaves of medical staff were cancelled after four deaths were reported from the city and nearby Nagaur district over last three days.

Hyderabad recorded four more swine flu deaths on Wednesday as toll from the disease mounted to 24 in January.

The virus has already infected 42 people and claimed 14 lives in the last 26 days in Maharashtra.

China

Two more cases of humans being infected by the H7N9 bird flu strain was reported from China's Guangdong province Wednesday, bringing the number of people infected by the virus in the province to 25.

Nigeria

The Nigerian government Wednesday confirmed the outbreak of bird flu in 11 states. According to the Agriculture and Rural Development minister Akinwumi Adesina, as of Jan 21, a total of 139,505 birds were exposed to the virus with 22,173 recorded deaths and as of Jan 27, 232,385 birds were exposed, with 51,444 recorded deaths.