Bird flu has spread to a second western Indian state, health officials say.
Tests on poultry confirmed the deadly H5NI strain of the virus in Gujarat, a week after it was first discovered in neighbouring Maharashtra state.
Two farms in Surat near the Maharashtra border have been sealed off and thousands of birds are being destroyed.
On Friday, Indian health officials said all 95 samples collected from people with flu-like symptoms had tested negative for bird flu.
The farms affected in Gujarat are only a few kilometres from Navapur, where bird flu was found in poultry last Saturday.
Senior Gujarat state health official DK Rao told the BBC that 38 villages were in the exclusion zone.
He said about 90,000 birds had been culled since bird flu was confirmed in Maharashtra, and another 20,000 would be destroyed over the next day.
Poultry sales fall
Hundreds of thousands of birds have been slaughtered in Maharashtra in the last week.
The detection of bird flu has led to sharp falls in the sale of poultry and poultry products and some countries have banned poultry imports from India, leaving the poultry industry reeling with heavy losses.
India's parliament, military, railways and major airlines have also stopped serving chicken and eggs, despite government reassurances that they were safe to eat if cooked properly.
The H5N1 virus does not at present pose a large-scale threat to humans, as it cannot pass easily from one person to another.
However, experts fear the virus could mutate to gain this ability, and in its new form trigger a flu pandemic, potentially putting millions of human lives at risk.
(BBC)
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