re: So why did the US have such an INITIAL testing failure, exactly?

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Well it was just a dem hoax until this week

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A mode of argumentation or a form of argument in which a proposition is disproven by following its implications logically to an absurd conclusion. Arguments that use universals such as, “always”, “never”, “everyone”, “nobody”, etc., are prone to being reduced to absurd conclusions. The fallacy is in the argument that could be reduced to absurdity -- so in essence, reductio ad absurdum is a technique to expose the fallacy.

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CDC was under funded

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CDC was under funded

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Its kinda hard to have a bioengineered virus test kit at hand, doncha think?

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What went wrong with the coronavirus tests in the U.S.
By Carolyn Y. Johnson and Laurie McGinley
March 7, 2020

... Production is ramping up, but tests — and the labs and equipment necessary to run them — are still very limited. Even where test kits are available, many states are following strict criteria for who should be tested to avoid overwhelming their labs.

Interviews with a dozen laboratory experts and government health officials reveal a six-week series of glitches, missed opportunities and delays that contributed to the shortage.

“They’ve simply lost time they can’t make up. You can’t get back six weeks of blindness,” said Jeremy Konyndyk, who oversaw the international response to Ebola during the Obama administration and is a senior policy fellow at the Center for Global Development.
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The problems started in early February, at a CDC laboratory in Atlanta.

A technical manufacturing problem, along with an initial decision to test only a narrow set of people and delays in expanding testing to other labs, gave the virus a head start to spread undetected — and helped perpetuate a false sense of security that leaves the United States dangerously behind.

Nineteen people are dead, and there are more than 300 known cases of the novel coronavirus in the United States and undoubtedly many more cases that have not been detected.
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The traditional U.S. strategy for devising new diagnostic tests starts with the CDC. That is supposed to ensure new tests are accurate and reliable, but it also meant that other parallel approaches were not aggressively pursued.

Scott Gottlieb, former Food and Drug Administration commissioner in the Trump administration, said, “The key in a crisis like this is to take an all-of-the-above approach, whether we’re dealing with diagnostics or therapeutics.” That responsibility, he said, was up to other parts of the administration, such as the Department of Health and Human Services or the FDA.
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“Since CDC and FDA haven’t authorized public health or hospital labs to run the tests, right now #CDC is the only place that can. So, screening has to be rationed,” Gottlieb tweeted on Feb. 2.

The CDC manufactured kits, and on Feb. 6 and 7, 90 test kits were shipped to the public health labs. Some labs began to have trouble with the test. On Feb. 12, the CDC announced the test was providing inconclusive results in some laboratories. The problem was in one of the three components of the test.

It involved a part of the third component intended to be a backstop — a double-check so that when labs get a negative result, they can trust it. A federal official, who spoke on the condition of anonymity because there is an ongoing investigation, said the problem may have been a design flaw or contamination in a CDC lab when the tests were being produced.

Some critics have questioned why the CDC didn’t switch to tests being used by other countries as soon as the problems arose, but the official said it would have taken longer to apply for a new authorization from the FDA and validate and manufacture a new test than it would to fix a test they knew worked in their own lab.
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But epidemiologists advising the CDC already had been debating when to begin broader testing to see if the virus was circulating in the community, said Jeffrey Engel, executive director of the Council of State and Territorial Epidemiologists. Narrow testing basically guaranteed that the United States would remain unaware of whether the virus was already circulating among people who thought they had a cold or the flu.

On Feb. 13, HHS Secretary Alex Azar testified before Congress that a limited five-city pilot would begin to add coronavirus to the usual flu surveillance system to see whether “there is broader spread than we have been able to detect so far.” But the plan was delayed because coronavirus tests weren’t available.

Academic hospitals, which have laboratories that routinely develop tests to use on their patients, began to get increasingly anxious about the nation being dependent on the CDC lab. They considered pursuing FDA approval for their tests but complained they didn’t have the resources or expertise — or access to crucial materials such as the virus itself — for the complicated application process required during a public health emergency.

“When the CDC test was delayed, then the cases started appearing outside of China, there should have been a quicker response to get diagnostic testing going” by easing regulations on hospital labs, said Melissa Miller, director of the clinical molecular microbiology laboratory at the University of North Carolina at Chapel Hill School of Medicine.
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As days went by, public health labs became increasingly desperate and on Feb. 25 requested special permission from the FDA to develop their own tests. The agency accepted the request. But along with the CDC, it also found a workaround, allowing a partial CDC test to be used. New test kits began to be sent out in the following days, with two of the three original components.

Almost as soon as testing capabilities came online, labs found cases of coronavirus. A week ago, a person in Oregon who had been sick since Feb. 19 tested positive — hours after state officials got their CDC test up and running. In Washington state, one of the cases identified was a teenager who went to the doctor with ordinary flu symptoms; his swab was submitted through surveillance testing that was only possible after the testing capabilities came online.

On Feb. 29, the FDA finally announced a new policy to make it easier for hospital laboratories to develop their own tests. “This outbreak and our response is dynamic and evolving,” said Stephanie Caccomo, a spokeswoman for the FDA. “As the situation changes, we are being flexible as we execute policies intended to protect public health.”

“Most laboratories were anticipating a more rigorous FDA stance, and had not been leaning forward for tests that could have been made more useful,” a federal health official said. “We were working under the rubric and framework they set in place, and had they known things could be more flexible,” labs might have moved forward faster.

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