The answer is chemical contamination. This is because the paint chip that falls into the food contains chemicals that are harmful to the body such as lead that negatively affects the nervous system when consumed. Better handling of the food should, therefore, be observed by ensuring a greater distance between the place where the food is being handled and where the paint is.
If one day has 24 hours, you'll need 12 tablets a day. There are 7 days so multiply 12 by 7 to get 84 tablets in 7 days.
It is a tick disease so whenever the ticks are out people can get it. If you live in Northeastern United States these fall in Fall and Winter season when most people and animals get bitten.