THIRUVANANTHAPURAM: The State has reported four new cases of H1N1 infection on Saturday, taking the total number of cases reported so far to 253. Of the four, three are from Thiruvananthapuram and one from Kannur. Twenty-seven persons were advised to go on quarantine, with three isolated in hospitals. The swab samples from 19 suspected cases were sent to the Rajiv Gandhi Centre for Biotechnology and five samples to Kasturba Medical College, Manipal, for tests. —Staff Reporter

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