New Delhi, Sep 22 - Five swine flu deaths, including three in Karnataka, were reported Tuesday, taking India's total toll due to the contagious influenza A (H1N1) virus to 262, health authorities said here.

Also, 324 new swine flu cases were reported in the country, taking the total number of people affected so far to 8,477.

According to health ministry officials, the three deaths in Karnataka were reported between Sep 18-19. 'The laboratory confirmation (received Tuesday) showed that all the deaths were due to swine flu,' an official said here.

With this, Karnataka's toll has reached 82.

Delhi recorded one death Tuesday.

A 20-year-old woman, who was admitted to the Safdarjung Hospital in New Delhi, succumbed to the virus,state nodal officer Anjan Prakash told IANS. With this death, the toll in the Indian capital has gone up to nine.

Maharashtra, which tops the list of swine flu deaths and cases in the country, also reported one death, taking its total number of deaths to 107.

The officials said one death was reported from Gujarat, but it was yet to be confirmed if the patient died due to the virus.

In Ghaziabad, neighbouring the national capital, a public school had to close down its primary section after two students were reported to be affected with the flu.

'Two students were reported to be infected with the virus. Both are now fine and responding well to the treatment in Delhi hospitals. As a precautionary measure, we have closed down the primary section till Sep 28,' said school principal Meeta Rai of Delhi Public School at Indirapuram.

As per school officials, there are around 3,000 students in the primary wing of the school.

As Karnataka is seeing a surge in swine flu deaths, authorities are now planning clinical audits.

'The purpose behind the clinical audit is to find the actual causes behind the death of 80 people due to H1N1 influenza in the state,' Usha Vasunkar, director of Karnataka's Health and Family Services, told IANS.