Prisoners were injected with inoculations of disease, disguised as vaccinations, to study their effects. Field ambulances performed urgent surgery, gave tetanus inoculations and fed patients. Loudoun farmers implemented new agricultural innovations such as vaccination of livestock, seed inoculations and ensilage. The development of two polio vaccines led to the first modern mass inoculations. The churches were used for inoculations for smallpox. He was also the first physician to perform smallpox inoculations in North America. The first swine flu inoculations were given at the Indiana State Fair. The PHS carried out the experiments under the guise of syphilis inoculations. So, Washington ordered inoculations for any soldiers vulnerable to the disease. Plowman died of AIDS, which he contracted from pre-trip inoculations. They pose as doctors to incapacitate crew and passengers (including Bond) with drugged inoculations. Subjects at the prison maintained the strain via blood inoculations. DMATs have been used to implement mass inoculations and other immediate needs to large populations. Late MLF inoculations, after alcoholic fermentation, also tend to produce higher levels of diacetyl. In 1781 he and Nathaniel returned to Russia to carry out further royal inoculations.