Dozens of people sit in their cars and wait to be tested at United Memorial Medical Center amid the global outbreak of the coronavirus disease (COVID-19), in Houston, Texas, U.S., June 23, 2020.

Medical workers look into a room of a patient who has died from the coronavirus disease (COVID-19) at the United Memorial Medical Center's coronavirus disease (COVID-19) intensive care unit in Houston, Texas, U.S., June 29, 2020.

A man sleeps in his car as people wait in their vehicles in long lines for the coronavirus disease (COVID-19) testing in Houston, Texas, U.S., July 7, 2020.

Overheated, a healthcare worker takes a break as people wait in their vehicles in long lines for the coronavirus disease (COVID-19) testing in Houston, Texas, U.S., July 7, 2020.

Medical workers coordinate testing as dozens of people wait in their cars at United Memorial Medical Center amid the global outbreak of the coronavirus disease (COVID-19), in Houston, Texas, U.S., June 23, 2020.

A nurse wheels away a man as the people who brought him to Houston Methodist Hospital watch amid a coronavirus disease (COVID-19) outbreak in Houston, Texas, U.S., June 28, 2020.

A medical worker administers a test for the coronavirus disease (COVID-19) at United Memorial Medical Center amid the global outbreak of the coronavirus disease (COVID-19), in Houston, Texas, U.S., June 23, 2020.

People wait in their vehicles in long lines for the coronavirus disease (COVID-19) testing in Houston, Texas, U.S., July 7, 2020.

A man steps outside as people wait in their vehicles in long lines for the coronavirus disease (COVID-19) testing in Houston, Texas, U.S., July 7, 2020.

A woman looks through the window of a car while waiting in long line for the coronavirus disease (COVID-19) testing in Houston, Texas, U.S., July 7, 2020.

Healthcare workers walk through the Texas Medical Center during a shift change as cases of the coronavirus disease (COVID-19) spike in Houston, Texas, U.S., July 8, 2020.

People wait in their vehicles in long lines for the coronavirus disease (COVID-19) testing in Houston, Texas, U.S., July 7, 2020.

People wait in their vehicles in long lines for the coronavirus disease (COVID-19) testing in Houston, Texas, U.S., July 7, 2020.

A man arrives at Houston Methodist Hospital emergency room on a stretcher amid a coronavirus disease (COVID-19) outbreak in Houston, Texas, U.S., June 28, 2020.

A medical worker puts on protective equipment as hospital staff treat coronavirus disease (COVID-19) patients at the United Memorial Medical Center's coronavirus disease (COVID-19) intensive care unit in Houston, Texas, U.S., June 29, 2020.

Healthcare workers walk through the Texas Medical Center during a shift change as cases of the coronavirus disease (COVID-19) spike in Houston, Texas, U.S., July 8, 2020.

Photographs of medical workers are seen as hospital staff treat coronavirus disease (COVID-19) patients at the United Memorial Medical Center's coronavirus disease (COVID-19) intensive care unit in Houston, Texas, U.S., June 29, 2020.

A woman arrives at Houston Methodist Hospital emergency room on a stretcher amid the coronavirus disease (COVID-19) outbreak in Houston, Texas, U.S., June 28, 2020.

Medical workers treat a coronavirus disease (COVID-19) patient at the United Memorial Medical Center's coronavirus disease (COVID-19) intensive care unit in Houston, Texas, U.S., June 29, 2020.

Medical workers conduct tests as people wait in their vehicles in long lines for the coronavirus disease (COVID-19) testing in Houston, Texas, U.S., July 7, 2020.

Healthcare workers walk through the Texas Medical Center during a shift change as cases of the coronavirus disease (COVID-19) spike in Houston, Texas, U.S., July 8, 2020.

Storm clouds gather over a coronavirus disease (COVID-19) testing site, which was closed due to inclement weather, in Houston, Texas, U.S., June 22, 2020.

A nurse wheels away a man as the people who brought him to Houston Methodist Hospital watch amid a coronavirus disease (COVID-19) outbreak in Houston, Texas, U.S., June 28, 2020.

The Houston skyline is seen in the background as mask sporting residents Teresa Torres, Vanessa Agudelo share hand sanitizer after gathering in Eleanor Tinsley Park to make care packages for the local homeless community amid the global outbreak of the coronavirus disease (COVID-19) in Houston, Texas, U.S., July 7, 2020.

Healthcare workers are screened for symptoms at CHI St. Luke's Health in the Texas Medical Center as cases of the coronavirus disease (COVID-19) spike in Houston, Texas, U.S., July 8, 2020.

A man has his nose swabbed as people wait in their vehicles in long lines for the coronavirus disease (COVID-19) testing in Houston, Texas, U.S., July 7, 2020.

Healthcare workers place a stretcher inside an ambulance at Texas Children's Hospital as cases of the coronavirus disease (COVID-19) spike in Houston, Texas, U.S., July 8, 2020.

Memorial Hermann Hospital is seen in the background as a man drives his golf cart amid the coronavirus disease (COVID-19) outbreak in Houston, Texas, U.S., June 28, 2020.

A medical worker walks through a makeshift door as hospital staff treat coronavirus disease (COVID-19) patients at the United Memorial Medical Center's coronavirus disease (COVID-19) intensive care unit in Houston, Texas, U.S., June 29, 2020.

A group of men sit in a car as they wait in a long line for the coronavirus disease (COVID-19) testing in Houston, Texas, U.S., July 7, 2020.

A man has his nose swabbed as people wait in their vehicles in long lines for the coronavirus disease (COVID-19) testing in Houston, Texas, U.S., July 7, 2020.

A healthcare worker walks through a parking garage during a shift change as cases of the coronavirus disease (COVID-19) spike in Houston, Texas, U.S., July 8, 2020.

Residents line-up in their vehicles to be tested amid the global outbreak of the coronavirus disease (COVID-19) in Houston, Texas, U.S., July 7, 2020.