| buckeyefarmer - 3/28/2020 07:47
The tests China sent to Spain and France to "help" were only 30% effective. Guessing that is where you heard that number. The tests here are far better if they can get them and have all the parts needed.
This is from the FDA. I will provide a link after it:
What does it mean if the specimen tests negative for the virus that causes COVID-19? A negative test result for this test means that SARSCoV-2 RNA was not present in the specimen above the limit of detection. However, a negative result does not rule out COVID-19 and should not be used as the sole basis for treatment or patient management decisions. A negative result does not exclude the possibility of COVID-19. When diagnostic testing is negative, the possibility of a false negative result should be considered in the context of a patient’s recent exposures and the presence of clinical signs and symptoms consistent with COVID-19. The possibility of a false negative result should especially be considered if the patient’s recent exposures or clinical presentation indicate that COVID19 is likely, and diagnostic tests for other causes of illness (e.g., other respiratory illness) are negative. If COVID-19 is still suspected based on exposure history together with other clinical findings, re-testing should be considered by healthcare providers in consultation with public health authorities. Risks to a patient of a false negative include: delayed or lack of supportive treatment, lack of monitoring of infected individuals and their household or other close contacts for symptoms resulting in increased risk of spread of COVID-19 within the community, or other unintended adverse events.
https://www.fda.gov/media/135662/download?fbclid=IwAR2s0pykLufP1ihZbLl_G5yUnlEcaOJIqO6iip6uQOewK3isLgg9qtzhdxw |