L.A. County Sheriff's Dept. says 57 employees tested positive for COVID-19

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What is coronavirus?

From how it spreads to where it originated, here's a look at everything you need to know about the deadly contagion.

The Los Angeles County Sheriff's Department reported Tuesday that 57 employees have tested positive for COVID-19 since the pandemic began, along with 21 jail inmates.

According to statistics released Tuesday morning, 343 employees have been quarantined, and 493 have returned to work.

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In the jail system, 1,627 inmates have been quarantined and 69 have been isolated.

According to the sheriff's department, isolation is defined as being for "individuals who have a temperature of 100.4 or higher and are exhibiting symptoms of an upper respiratory infection," while quarantine is for "individuals who have had close contact of 10 minutes or more with a person currently under observation."

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More information is available on the department's coronavirus updates page, https://lasd.org/covid19updates.