Title 42 of the U.S. Code

Title 42 of the U.S. Code primarily deals with public health and welfare laws. It includes provisions related to controlling communicable diseases, health emergencies, and sanitation standards. A well-known section within Title 42 allowed U.S. authorities to implement public health measures, such as quarantine or travel restrictions, during health crises. Notably, it was used to justify COVID-19 related border restrictions, including the use of public health authority to manage migration. Overall, Title 42 provides legal authority for the government to respond swiftly to public health threats to protect communities and public safety.