There are 173 existing businesses in the Knowledge Oasis Muscat and more than 3,959 employees working in these companies. The market has high growth predictions for the next years. Moreover, the medical examination for expatriates is a mandatory requirement for all expatriates applying for a work permit in the Sultanate of Oman in accordance with local legislation. The aim of this legislation is to ensure the health security of the Sultanate of Oman with regard to communicable diseases.