1. (a) the immediate exclusion of the employee from employment in retail food stores;
2. (b) the immediate closing of the retail food store concerned until, in his opinion, no further danger of disease outbreak exists;
3. (c) restriction of the employee's services to some area of the establishment where there could be no danger of transmitting disease; and
4. (d) adequate medical laboratory examination of the employee, of other employees, and of the body discharges of such employee.

When the commissioner has reasonable cause to suspect possible disease transmitted by food from any retail food store employee, he may secure a morbidity history of the suspected employee, or make any other investigation as indicated and shall take appropriate action after consultation with the Commissioner of Health. The commissioner may require any or all of the following measures: