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"Detailed contact tracing that the infected colleagues may have come into contact with is underway," read a company statement. The company said they will sanitise and fumigate the premises as a remedial measure to limit the spread of the infection, and asked its staff to seek medical help for symptoms matching the infection.
It did not disclose whether the infected staff had any travel history or mention their medical condition. The H1N1 swine flu is a highly contagious zoonotic infection and symptoms include fever, chills and sore throat, according to World Health Organisation.