re: Covid Tests have 30% failure rate

Higher specificity means a test has a better chance to "rule in" a diagnosis. Higher sensitivity means a test has a better chance to "rule out" a diagnosis.

Though many of the tests in use have higher specificity than sensitivity, most are still at or above 90% for both metrics. But you dont have to take my word for it...

Serology-based tests for COVID-19

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Doctors said afterward that she still almost certainly had it and we were to behave and treat her as if she did. 

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Yeah my doctor told me the same thing. But I sat in my bedroom for a week popping tylenol. In the mean time what was wrong with me was that my liver was failing and I had double pneumonia.
Doctors need to stop swinging that " it must be corona, go home and treat it like it is" gargan. It almost cost me my life. Luckly it was just a week in the hospital.

Honestly doesn’t seem too far fetched. We’re at a very low percentage of tests coming back positive but only testing people that fit right criteria, and clearly feel like they have it. So stands to reason more should be positive.

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Maybe there's just a ton of people paying private doctors to get first in line for tests without much sign they have it?

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Correct, classic nepotism. Tons of idiots are wanting friends and family to be tested because they ‘have to know if they have Covid’ when in reality it absolutely doesn’t matter.

There’s absolutely no excuse to be running something like 75% negative on the test results. 3 of 4 people don’t have it and we are supposedly screening out many?

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They said the test has a 30% failure rate

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That information was released this week and based on early Chinese tests. It is absolutely not relevant to now.

A. Everybody knew the Chinese tests were shite. The ones they sent to Spain had almost a 70% failure rate.

B. We don't use the fricking chinese tests. Roche, Abbot, and other labs are much better than any fricking thing that comes out of China.

LSUsaint,

Can you please discuss the antibody test? Do you have any studies you could link which show antibody activity to covid19? In particular I would love to see a graph showing IgM and IgG numbers on a time axis from infection onward.

Are antibodies produced within the first week? If so why is that response of the humoral immune system so much more rapid than that to other virus like hepatitis B?

Thank you,
TulaneLSU

P.S. I have it on good authority that the sensitivity of our testing is around 99% assuming a good sample is obtained by the person who swabs the patient. However, I have not seen any studies which support this high number. But I trust my source for that number.

On the matter of mass testing, I believe widespread testing is quite important in a free world because the sooner a person knows he or she is positive the sooner that person can strictly quarantine for at least two weeks. He can also sterilize everything to which he or she has come in contact.

I was thinking the other day that before Mother, Uncle and family return from the Mississippi compound, I want to ensure I do not and did not have the virus. If I do or did, I will need to clean the entire house in a way that I wouldn’t otherwise.

Swan

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Do essentially we have around 20,000 deaths if you take the number reported and round up for gross underreporting of cases. This would indicate that we have about 2 million people that have or have had Covid 19.

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There have been multiple studies from around the world that have found cases have under reported by between 7 and 25 times depending on the availability of testing.