The Ministry of Health announced that it has not registered any new case infected with swine flu after the discovery of the case of a Filipina nurse working at King Faisal Specialist Hospital and Research Center in Riyadh, which was previously announced. The ministry said in a statement today that the tests carried out so far for those persons mixed with the sick nurse or those suspected people coming from countries infected with this disease have registered no other new case. The Ministry pointed out that the incubation period ends today for the passengers boarded the plane with the nurse so that they do not become a possible source of transmitting the disease. It called again on the passengers who have not answered its contacts to communicate with the Department of Preventive Medicine of Health Affairs in Riyadh region to complete the precautionary preventive measures.