The town of Chilchinbito is a census-designated place (CDP) specifically in Navajo County, Arizona, United States.

Chilchinbito is also considered to be the source of coronavirus infections on the Navajo Nation, possibly traced to the annual meeting of the Church of the Nazarene's numerous branches, on March 7, 2020.

[3] COVID-19 federal relief funds for medical care on the Navajo Nation were being redirected to a non-Native for-profit corporation, and a legal suit is pending.

[4] On March 17, 2020, the first case of the global pandemic of coronavirus disease 2019 (COVID-19) on the Navajo Nation was identified to be a 46-year-old resident of Chilchinbito by the Arizona Department of Health.

Two days later the Navajo Health Command Operations Center ordered Chilchinbito to be quarantined and isolated.