 The county is named for Chesterfield County in Virginia.On April 10th 2020 a case of Influenza A virus subtype H7N3 was confirmed in what The Post and Courier describes as "a commercial turkey flock" which resulted in the disinfecting & quarantine of the farm.This is the 1st confirmed case of H7N3 in The United States nationwide since another case was found in Lincoln County, Tennessee on March 5th 2017.Four days later on April 14, a second case was confirmed at a turkey farm in Jefferson resulting in the euthanization of 32,000 turkeys.