where company has implemented and/or requires a malaria control program in a location where contractor will provide services, contractor shall develop and implement a site-specific program for the control of malaria for its employees and subcontractors working in or travelling to such locations while providing services to company which is at least as stringent as the company's malaria control program. such program shall, at a minimum, include education contractor employees and subcontractor as to the following ; enhanced awareness of the disease and the seriousness of infection ; step to take to prevent bites ; step to take to prevent bites ; appropriate use of malaria chemoprophylaxis scientifically shown to be at least as effective in preventing development of the type(s) of malaria found in the region where services will be performed for company as those medications approved by company for its employees ; and the critical importance of early diagnosis and treatment in the event of suspected inflection. in providing services. contractor shall not assign , and shall ensure that its subcontractors do not assign, any non-immune person to work in or travel to malaria areas . if such person is unable or unwilling to agree in writing, or legally prohibited from agreeing in writing, to comply with contractor's malaria control program including , but not limited to taking appropriate malaria chemoprophylaxis and submitting to periodic, unannounced , and random testing for the presence of chemoprophylactic medication in his/her system and contractor shall immediately remove from the assignment any person who after having executed such an agreement later decides to revoke that agreement . contractor shall also provide and emergency medical contract for its employees who may experience possible malaria symptoms and treatment and available 24 hours per day, 7 days per week to help facilitate the person's ability to get appropriate treatment in a timely manner. company shall provide a copy of its malaria control program upon request for contractor's use as a reference in developing its program.