Timothy Jerrell Cunningham is an employee of the Centers for Disease Control and Prevention based in Atlanta, Georgia. ^{[2] [1] [0] [7]}

Cunningham studied at the Harvard T.H. Chan School of Public Health. He is a commander in the Public Health Service and has been sent to respond to public health emergencies including the Ebola virus and the Zika virus. ^{[2] [0] [1]}

On February 12, 2018, Cunningham went to work and left sick, he hasn't been seen or heard from since.

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Authorities stated it's unusual for Cunningham not to contact his family.

His parents found his phone, wallet, car and keys, as well as his dog, at his home.

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Cunningham's family told NBC News that they stayed in near constant contact with each other, and stated that he and his sister spoke nearly every day. Cunningham's sister last spoke to him around at 7:00 a.m. local time on February 12, 2018. ^{[1] [0]}