The Ministry of Health emphasized that the medical tests performed so far for the companions and friends of the Filipino nurse, an employee of King Faisal Specialist Hospital and Research Center in Riyadh who has recently proven to have become Saudi Arabia's first to have contracted swine-flu as well as tests for suspect passengers supposed to have reached Saudi Arabia from swine flu-infected countries have so far proven negative. In a statement, the Ministry of Health confirmed that it has taken all necessary measures to keep the country swine-flu free, noting that advanced means of detecting the epidemic are applied inside and at the inlets of the country.