Only 6,563 Americans have been tested for the coronavirus so far

Despite vows to drastically expand the coronavirus testing regime, federal and state public health authorities have tested only 6,563 people for the coronavirus as of Tuesday morning, according to the Centers for Disease Control and Prevention and numbers provided by all 50 states. 

That count includes people tested by the federal government and by state laboratories. Because those laboratories may not always report people who tested negative for the coronavirus, the true number of people tested is probably somewhat higher. 

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Coronavirus outbreak in the U.S.
Vice President Mike Pence points to a question as he speaks during a briefing about the coronavirus in the James Brady Press Briefing Room of the White House, Sunday, March 15, 2020, in Washington. (AP Photo/Alex Brandon)
Tyler Baldwin mops the floor after closing for the night at the Taproom at Pike Place, Sunday, March 15, 2020 where he works as a bartender in Seattle. Washington Gov. Jay Inslee said Sunday night that he would order all bars, restaurants, entertainment and recreation facilities in the state to temporarily close to fight the spread of coronavirus, as Washington state has by far the most deaths in the U.S. from the disease. Baldwin said he closed more than an hour early Sunday after he heard the announcement. (AP Photo/Ted S. Warren)
A freeway sign urging people to wash their hands to avoid the COVID-19 virus is seen along the 101 Ventura freeway Sunday, March 15, 2020, in Westlake Village, Calif. (AP Photo/Mark J. Terrill)
Shelves are emptied of paper toilet and product supplies at a Safeway store in Phoenix on Sunday, March 15, 2020. Arizona's governor and school superintendent on Sunday ordered a statewide closure of schools through at least March 27 as authorities rush to contain the outbreak of the new coronavirus. (AP Photo/Brian Skoloff)
A store vendor wears a face mask as she waits for customers in Chinatown in New York, on Sunday, March 15, 2020. President Donald Trump on Sunday called on Americans to cease hoarding groceries and other supplies, while one of the nation's most senior public health officials called on the nation to act with more urgency to safeguard their health as the coronavirus outbreak continued to spread across the United States.(AP Photo/Wong Maye-E)
Workers from a Servpro disaster recovery team wearing protective suits and respirators are given supplies as they line up before entering the Life Care Center in Kirkland, Wash., to begin cleaning and disinfecting the facility, Wednesday, March 11, 2020. The nursing home is at the center of the coronavirus outbreak in Washington state. For most people, the virus causes only mild or moderate symptoms. For some it can cause more severe illness, especially in older adults and people with existing health problems. (AP Photo/Ted S. Warren)
March 11th 2020 - Tom Hanks and Rita Wilson have tested positive for the novel coronavirus. - File Photo by: zz/KGC-11/STAR MAX/IPx 2016 9/9/16 Tom Hanks and Rita Wilson at The 5th Biennial Stand Up To Cancer (SU2C). (Los Angeles, CA)
NBA referee Marc Davis, left, takes a phone call as fellow referee Justin Van Duyne stands next to Davis before the basketball game between the New Orleans Pelicans and Sacramento Kings was postponed at the last minute in Sacramento, Calif., Wednesday, March 11, 2020. The league said the decision was made out of an "abundance of caution," because official Courtney Kirkland, who was scheduled to work the game, had worked the Utah Jazz game earlier in the week. A player for the Jazz tested positive for the coronavirus. (AP Photo/Rich Pedroncelli)
NBA referee Marc Davis leaves the court after the the NBA basketball game between the Sacramento Kings and the New Orleans Pelicans was postponed at the last minute in Sacramento, Calif., Wednesday, March 11, 2020. The postponement was due to what the league said was an "abundance of caution," because official Courtney Kirkland, who was scheduled to work the game, had worked the Utah Jazz game earlier in the week. A player for the Jazz tested positive for the coronavirus. (AP Photo/Rich Pedroncelli)
From left Ellie Unruh, Abbie Unruh, Zoe Yates, and Evi Yates bump elbows instead of high-fives while playing volleyball at a local park Sunday, March 15, 2020, in Gilbert, Ariz. The girls were playing with friends after their respective volleyball clubs and teams practices and games were canceled statewide due to the COVID-19 coronavirus. Arizona Gov. Doug Ducey announced earlier in the day that all schools and sports throughout Arizona are temporarily closed through March 27th challenging some parents to get creative in keeping their kids active. (AP Photo/Matt York)
A basketball fan walks past a sign on how to decrease the risk of catching the coronavirus outside a restroom at the American Airlines Arena during the first half of an NBA basketball game between the Miami Heat and the Charlotte Hornets, Wednesday, March 11, 2020, in Miami. (AP Photo/Wilfredo Lee)
President Donald Trump speaks in an address to the nation from the Oval Office at the White House about the coronavirus Wednesday, March, 11, 2020, in Washington. (Doug Mills/The New York Times via AP, Pool)
FILE PHOTO: Voters cast their ballot in the Democratic primary election in Houston
A trader works on the floor at the New York Stock Exchange (NYSE) in New York City, New York
Judie Shape, left, who has tested positive for the coronavirus, waves to her daughter, Lori Spencer, right, Wednesday, March 11, 2020, as they visit on the phone and look at each other through a window at the Life Care Center in Kirkland, Wash., near Seattle. In-person visits are not allowed at the nursing home. The vast majority of people recover from the new coronavirus. According to the World Health Organization, most people recover in about two to six weeks, depending on the severity of the illness. (AP Photo/Ted S. Warren)
Judie Shape, center, who has tested positive for the coronavirus, blows a kiss to her son-in-law, Michael Spencer, left, as Shape's daughter, Lori Spencer, right, looks on, Wednesday, March 11, 2020, as they visit on the phone and look at each other through a window at the Life Care Center in Kirkland, Wash., near Seattle. In-person visits are not allowed at the nursing home. The vast majority of people recover from the new coronavirus. According to the World Health Organization, most people recover in about two to six weeks, depending on the severity of the illness. (AP Photo/Ted S. Warren)
As President Donald Trump listens, Vice President Mike Pence speaks in the briefing room of the White House in Washington, Monday, March, 9, 2020, about the coronavirus outbreak. (AP Photo/Carolyn Kaster)
Yirmeyahu Gourarie performs a Purim reading from the Book of Esther for residents under self-quarantine due to potential exposure to the new coronavirus, Monday, March 9, 2020, in New Rochelle, N.Y. In Westchester County, student volunteers from a Jewish secondary school were fanning out in teams to read the megillah on Monday evening and during the day Tuesday outside the homes of about 120 families from the community who are quarantined. (AP Photo/John Minchillo)
This March 9, 2020, image provided by Carolyn Wright, a passenger aboard the Grand Princess, shows the disembarkation of the passengers from the cruise ship which is docked in Oakland, Ca. For most people, the new coronavirus causes only mild or moderate symptoms, such as fever and cough. For some, especially older adults and people with existing health problems, it can cause more severe illness, including pneumonia. (Courtesy of Carolyn Wright via AP)
Tim Killian, center, a spokesman for Life Care Center in Kirkland, Wash., talks to reporters, Monday, March 9, 2020, at the facility near Seattle. The nursing home is at the center of the outbreak of COVID-19 in Washington state. (AP Photo/Ted S. Warren)
A sign stands next to a sanitizing station at the entrance of the Vivint Smart Home Arena before an NBA basketball game between the Toronto Raptors and the Utah Jazz, Monday, March 9, 2020, in Salt Lake City. (AP Photo/Rick Bowmer)
Workers prepare a wharf at the Port of Oakland to receive the Grand Princess in Oakland, Calif., Sunday, March 8, 2020. The cruise ship, miles off the port Sunday, is expected to dock Monday for novel coronavirus quarantine after multiple people tested positive for the virus. (AP Photo/Noah Berger)
En esta imagen tomada de un video cortesía de la Guardia Nacional de California, un helicóptero del 129no batallón de rescate sobrevuela el crucero Gran Princess frente a las costas de California, el jueves 5 de marzo de 2020. (Guardia Nacional de California vía AP)
In this image from video, provided by the California National Guard, airmen with the 129th Rescue Wing drop virus testing kits down to the Grand Princess cruise ship off the coast of California Thursday, March 5, 2020. Scrambling to keep the coronavirus at bay, officials ordered a cruise ship with 3,500 people aboard to stay back from the California coast Thursday until passengers and crew can be tested, after a traveler from its previous voyage died of the disease and at least two others became infected. The California National Guard 129th Rescue Wing lowered test kits onto the 951-foot (290-meter) Grand Princess by rope as the vessel lay at anchor off Northern California, and authorities said the results would be available on Friday. Princess Cruise Lines said fewer than 100 people aboard had been identified for testing. (California National Guard via AP)
Passengers look out from balconies aboard the Grand Princess as it cruises a holding pattern about 25 miles off the coast of San Francisco on Sunday, March 8, 2020. The ship is expected to dock in Oakland in the east San Francisco Bay on Monday. California Gov. Gavin Newsom and the mayor of Oakland sought Sunday to reassure the public that none of the passengers from the ship with multiple cases of the new coronavirus will be released into the public before undergoing a 14-day quarantine. (AP Photo/Noah Berger)
Carrying multiple people who have tested positive for COVID-19, the Grand Princess maintains a holding pattern about 30 miles off the coast of San Francisco, Sunday, March 8, 2020. The cruise ship is scheduled to dock at the Port of Oakland on Monday. (AP Photo/Noah Berger)
A man wears a mask aboard the Grand Princess as it maintains a holding pattern about 25 miles off the coast of San Francisco on Sunday, March 8, 2020. The cruise ship is scheduled to dock at the Port of Oakland on Monday for COVID-19 quarantine after 21 people tested positive for the virus. (AP Photo/Noah Berger)
SPRINGFIELD, VA - MARCH 7: Local Target store in the D.C area depleted of cleaning and sanitizing supplies and left with empty shelves as fear grow of COVID-19 (the coronavirus) reports increasing on March 7, 2020 in Springfield, Virginia. Credit: mpi34/MediaPunch /IPX
SPRINGFIELD, VA - MARCH 7: Local Target store in the D.C area depleted of cleaning and sanitizing supplies and left with empty shelves as fear grow of COVID-19 (the coronavirus) reports increasing on March 7, 2020 in Springfield, Virginia. Credit: mpi34/MediaPunch /IPX
The headquarters for Centers for Disease Control and Prevention is shown on Friday, March 6, 2020 in Atlanta, Georgia. President Donald Trump's trip to the Centers for Disease Control and Prevention, briefly scuttled Friday because of unfounded fears that someone there had contracted the coronavirus, was back on, giving the president another chance to calm growing alarm about the spread of the virus in America. (AP Photo/ Ron Harris)
An ambulance backs into a parking lot, Friday, March 6, 2020, at the Life Care Center in Kirkland, Wash., which has become the epicenter of the COVID-19 coronavirus outbreak in Washington state. This ambulance left the facility after a short time and did not transport a patient. (AP Photo/Ted S. Warren)
Ambulance workers move a man on a stretcher from the Life Care Center in Kirkland, Wash. into an ambulance, Friday, March 6, 2020. The facility is the epicenter of the outbreak of the the COVID-19 coronavirus in Washington state. (AP Photo/Ted S. Warren)
A woman uses protective gloves as she looks at her phone wrapped in a plastic bag while riding a New York City subway train, Monday, March 9, 2020. (AP Photo/Richard Drew)
Secretary of Health and Human Services Alex Azar looks on as President Donald Trump shows a spending bill to combat the Coronavirus, at the White House, Friday, March 6, 2020, in Washington. (AP Photo/Evan Vucci)
President Donald Trump holds a photograph of coronavirus as Dr. Steve Monroe,right, with CDC speaks to members of the press at the headquarters of the Centers for Disease Control and Prevention in Atlanta on Friday, March 6, 2020. President Trump's trip to the Centers for Disease Control and Prevention, briefly scuttled Friday because of unfounded fears that someone there had contracted the coronavirus, was back on, giving the president another chance to calm growing alarm about the spread of the virus in America. (Hyosub Shin/Atlanta Journal-Constitution via AP)
Photo by: John Nacion/STAR MAX/IPx 2020 3/6/20 People wear masks to protect themselves from the Corona Virus in New York City.
Photo by: John Nacion/STAR MAX/IPx 2020 3/6/20 People wear masks to protect themselves from the Corona Virus in New York City. Shoppers have cleared store shelves of sanitizing products.
Vice President Mike Pence, left, arrives with Debi Birx, center, White House coronavirus response coordinator, and Robert Redfield, right, director of the CDC, Thursday, March 5, 2020, at Joint Base Lewis-McChord in Washington state for a visit with state officials. (AP Photo/Ted S. Warren)
Vice President Mike Pence greets Washington Gov. Jay Inslee, left, as Pence arrives, Thursday, March 5, 2020 at Joint Base Lewis-McChord in Washington state. Officials are avoiding handshakes due to the COVID-19 coronavirus. (AP Photo/Ted S. Warren)
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Confusion about that exact number persists even at the highest reaches government. Earlier on Tuesday, Department of Health and Human Services Secretary Alex Azar said he couldn’t provide the figure. “We don’t know exactly how many because hundreds of thousands of our tests have gone out to private labs and hospitals that currently do not report in to CDC,” he said in a CNN appearance.

That number stands in stark contrast to the promises made by leading members of the Trump administration’s coronavirus task force, who have variously asserted that 75,000 people would be tested by last week’s end and that laboratories across the United States would have the capacity to conduct 1.5 million tests by the beginning of this week. 

Neither claim appears to yet be close to realized, angering some Washington lawmakers. “We are in a crisis, and there are questions about our preparedness and ongoing response efforts,” Rep. Rosa DeLauro, D-Conn., said on Tuesday morning. “I’m very concerned — and, I think, we all are — about our nation’s capabilities for coronavirus. Other countries have been testing thousands of people for weeks, but the U.S. is woefully behind the curve.”

The nation’s ability to test for the coronavirus was hampered early on because a test created by the Centers for Disease Control and Prevention was found to have a contaminated reagent, meaning that one of its three markers — the one that would indicate a person was not infected — was not operational.

The CDC eventually corrected that error but also had to grapple with the fact that by keeping the coronavirus tests within its own purview, it was severely limiting the numbers who could be tested. It has since allowed private and university laboratories to conduct testing, while also vowing to stock public health labs with sufficient quantities of the coronavirus test.

Still, the lag is evident, robbing epidemiologists of precious days as they seek to contain the spread of the disease.

Private laboratories are expected to intensify their own testing efforts, but as of Monday morning, Mark S. Birenbaum, who heads the National Independent Laboratory Association, said he was uncertain of how many of his members had begun to test for the coronavirus.

“Many have not,” he wrote in a text message.

CDC spokesman Richard Quartarone said that as of Monday evening, the Atlanta-based public health agency had tested 1,707 people. On March 3, that number had been 1,200 people, which means the CDC has tested 507 people in the last week, or about 72 per day. 

In a congressional hearing on Tuesday, CDC Director Robert Redfield, MD, said that state laboratories had tested 4,856 people. The source of that statistic is not clear: The day before, both the White House and the CDC said that information was not available. An industry group representing public laboratories also said it had not yet gathered the data.

State laboratories had tested 3,280 people as of Monday evening. That number is derived from the COVID Tracking Project, started by Denver-based venture capitalist Jeff Hammerbacher and journalists from the Atlantic, put the number of people tested by state labs at a somewhat lower 3,280. The data compiled by Hammerbacher slightly understates the number of people tested, since some states report only positive test results. 

South Korea, by contrast, has performed well over 100,000 tests.  An analysis by Business Insider found that the U.S. lags badly behind other nations in the share of its population that has been tested (the analysis, however, appears to exclude people who were tested by state labs).

At the same time, public laboratories cannot be relied upon to carry the brunt of the testing burden. On the whole, Michelle Forman, a spokesperson for the Association of Public Health Laboratories, estimates that public laboratories will be able to test only 10,000 patients per day, and that is when all 100 facilities are running at full capacity.

The White House did not respond to a request for comment.

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