This includes: feeding, watering, mustering, droving, branding, castrating, ear tagging, weighing, vaccinating livestock and dealing with their predators.
en.wikipedia.org The survivors are those who were not vaccinated, often for religious reasons, and their descendants.
en.wikipedia.org In all 44.37% of the children below 10 years of age have been reported vaccinated with a considerably higher percentage, 71.13% vaccinated in urban areas.
en.wikipedia.org As long as the vast majority of people are vaccinated, it is much more difficult for an outbreak of disease to occur, let alone spread.
en.wikipedia.org