The Health Department has withdrawn the health advisories it had issued on May 22 and 25 regarding travel to Kerala consequent on the Nipah virus infection outbreak in the State. Additional Chief Secretary (Health) Rajeev Sadanandan said in an official statement here on Monday that it was now safe to travel to any part of Kerala. No new cases of infection had been reported in Kerala for the past 21 days. The Health Department considered the Nipah outbreak to be over in Kerala, he said in the statement.