Wego Countries Without Quarantine
CDC variant proportions new variants
CDD covid data tracker: new hospital admissions
Covid19 How Test to Treat Works for Individuals and Families
Ritonavir-Boosted Nirmatrelvir (Paxlovid), People with Certain Medical Conditions
NAT Nucleic acid test (nucleic acid amplification tests NAAT): RT-PCR (Reverse transcription polymerase chain reaction) (real-time quantitative rRT-qPCR), RT-LAMP (Reverse Transcription Loop-mediated Isothermal Amplification), CRISPR (clustered regularly interspaced short palindromic repeats)
Biotech company Cepheid lays off 635 in Bay Area, slashes manufacturing staff
Layoffs Strike Thermo Fisher as COVID-19 Testing Demand Wanes
Rapid PCR-quality: Behind the high-tech COVID-19 tests you probably haven’t heard about: Cue Health, Lucira Pfizer
COVID-19 rapid antigen test (Rapid antigen test) (lateral flow test)
FDA In Vitro Diagnostics EUAs - Molecular Diagnostic Tests for SARS-CoV-2
COVID-19 Point-of-Care Testing. Pharmacist’s Letter/Prescriber’s Letter
National Institute of Biomedical Imaging and Bioengineering (NIBIB) NIH RADx Tech and ATP programs (RADx Tech 2 Program FAQ)
Point of Care Technology Research Network (POCTRN), RADx, RADx Tech II at-home testings
衛生福利部食品藥物管理署 > 業務專區 > 醫療器材 > COVID-19 防疫醫材專區
Sensitivity and specificity, Confusion matrix
false-positive rate = 1 - specificity(true negative/negative)
false-negative rate = 1 - sensitivity(true positive/positive)
Sensitivity and Specificity or Positive and Negative Percent Agreement? non-reference standard
Statistical Guidance on Reporting Results from Studies Evaluating Diagnostic Tests - Guidance for Industry and FDA Staff PPA, NPA, Positive and negative predictive values (PPV NPV value), Agreement changes depending on the prevalence
|
| Non-Reference Standard | Total | |
|---|---|---|---|---|
New | + | + | − |
|
40 | 1 | 41 | ||
| − | 19 | 512 | 531 | |
Total |
| 59 | 513 | 572 |
positive percent agreement (new / non ref. std.) = 100% x 40/59 = 67.8%
negative percent agreement (new / non ref. std.) = 100% x 512/513 = 99.8%
overall percent agreement = 100% x (40+512)/572 = 96.5%
CDC: Requirement for Proof of Negative COVID-19 Test or Recovery from COVID-19 for All Air Passengers Arriving in the United States Examples of available NAATs for SARS-CoV-2 include but are not restricted to reverse transcription polymerase chain reaction (RT-PCR), reverse transcription loop-mediated isothermal amplification (RT-LAMP), transcription-mediated amplification (TMA), nicking enzyme amplification reaction (NEAR), and helicase-dependent amplification (HDA)
- The testing procedure must include a telehealth service affiliated with the manufacturer of the test that provides real-time supervision remotely through an audio and video connection.
Abbott BinaxNow with remote supervision
Ellume with video observation
*Citizen SafeTrace, SafePass App
Alabama GuideSafe
*North Dakota Care19 Alert Diary by ProudCrowd
*Utah Healthy Together COVID-19 +GPS, Cellular
*Virginia COVIDWISE by SprintML
Washington CommonCircle
*Wyoming Care19 Alert Diary by ProudCrowd
Australia COVIDSafe
Singapore TraceTogether
Apple Privacy-Preserving Contact Tracing
Google Exposure Notifications Android Bluetooth
Virginia North Dakota Wyoming Alabama Washington Pennsylvania
Variation in False-Negative Rate of Reverse Transcriptase Polymerase Chain Reaction–Based SARS-CoV-2 Tests by Time Since Exposure day 5 symptom, day 8-9 testing
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