Home DORCHESTER, WI – JUNE 9: Steve Kautzer holds his three-year-old daughter Schyan as his wife Tammy (R) holds their prairie dog Chuckles June 9, 2003 in Dorchester, Wisconsin. The Kautzers are in quarantine at their home as they recover from contracting monkeypox from a second prairie dog that has since died. The Kautzers have decided to keep Chuckles because it is believed they are immune from contracting the disease again. An official at the Centers for Disease Control and Prevention answered questions June 9, 2003 regarding the viral disease monkeypox, which is thought to be spread by prairie dogs. The monkeypox virus has been detected in the Americas for the first time with approximately 20 cases reported in Wisconsin, Illinois, and Indiana. (Photo by Mike Roemer/Getty Images) DORCHESTER, WI - JUNE 9: Steve Kautzer holds his three-year-old daughter Schyan as his wife Tammy (R) holds their prairie dog Chuckles June 9, 2003 in Dorchester, Wisconsin. The Kautzers are in quarantine at their home as they recover from contracting monkeypox from a second prairie dog that has since died. The Kautzers have decided to keep Chuckles because it is believed they are immune from contracting the disease again. An official at the Centers for Disease Control and Prevention answered questions June 9, 2003 regarding the viral disease monkeypox, which is thought to be spread by prairie dogs. The monkeypox virus has been detected in the Americas for the first time with approximately 20 cases reported in Wisconsin, Illinois, and Indiana. (Photo by Mike Roemer/Getty Images)

DORCHESTER, WI – JUNE 9: Steve Kautzer holds his three-year-old daughter Schyan as his wife Tammy (R) holds their prairie dog Chuckles June 9, 2003 in Dorchester, Wisconsin. The Kautzers are in quarantine at their home as they recover from contracting monkeypox from a second prairie dog that has since died. The Kautzers have decided to keep Chuckles because it is believed they are immune from contracting the disease again. An official at the Centers for Disease Control and Prevention answered questions June 9, 2003 regarding the viral disease monkeypox, which is thought to be spread by prairie dogs. The monkeypox virus has been detected in the Americas for the first time with approximately 20 cases reported in Wisconsin, Illinois, and Indiana. (Photo by Mike Roemer/Getty Images)

DORCHESTER, WI – JUNE 9: Steve Kautzer holds his three-year-old daughter Schyan as his wife Tammy (R) holds their prairie dog Chuckles June 9, 2003 in Dorchester, Wisconsin. The Kautzers are in quarantine at their home as they recover from contracting monkeypox from a second prairie dog that has since died. The Kautzers have decided to keep Chuckles because it is believed they are immune from contracting the disease again. An official at the Centers for Disease Control and Prevention answered questions June 9, 2003 regarding the viral disease monkeypox, which is thought to be spread by prairie dogs. The monkeypox virus has been detected in the Americas for the first time with approximately 20 cases reported in Wisconsin, Illinois, and Indiana. (Photo by Mike Roemer/Getty Images)

MAY 27:  In this Centers for Disease Control and Prevention handout graphic, symptoms of one of the first known cases of the monkeypox virus are shown on a patient?s hand May 27, 2003. The CDC said the viral disease monkeypox, thought to be spread by prairie dogs, has been detected in the Americas for the first time with about 20 cases reported in Wisconsin, Illinois, and Indiana. (Photo Courtesy of CDC/Getty Images)