Article 323. Disease as ground for termination. — An employer may terminate the services of an employee who has been found to be suffering from any disease and whose continued employment is prohibited by law or is prejudicial to his health as well as the health of his co-employees, provided that he is paid separation pay equivalent at least to one month salary or to one-half month salary for every year of service, whichever is greater, a fraction of at least six months being considered as one whole year.