The WV Department of Health and Human Resources released numbers of people treated at area hospitals due to exposure to contaminated water. They have also released the number of calls into the poison control center regarding human and animal exposure to contaminated water.
According to the WV DHHR:
The total number of calls made to Poison Control was well over 1,000.
There may be more people who experienced symptoms like burning sensations or rashes and did not seek medical attention. These are preliminary numbers released by DHHR thus far.