How will health services be impacted by the government shutdown?

(NewsNation) — With the current government shutdown expected to last at least through Friday, health services will be pared back to essential functions.

Critical services, including food inspections and responses to public health emergencies, will continue throughout the duration of a shutdown.

Nearly half of the employees at the Department of Health and Human Services are expected to be furloughed, though some could be called back in the event of a natural disaster or public health emergency.

Here's how health agencies and services will be impacted:

Centers for Disease Control and Prevention

The agency will continue to respond to "urgent disease outbreaks" and support certain programs, including the vaccines for children program.

Other activities will be stopped, including providing