It shall be unlawful for any person suffering from cholera, dysentery, epidemic or streptococcus sore throat, paratyphoid fever, poliomyelitis (acute anterior), scarlet fever, tuberculosis, typhoid fever, or who is a carrier of the organism of any such disease, or who is suffering from any venereal disease, to serve or handle food, except when such food is in original cans or containers. The employer of any person violating this section shall be deemed an aider and abettor and may be prosecuted as if he were the principal offender.