Nasal or throat swab? What’s the most effective sample to test? (JAMA 3/17/2020) – cough: 72%, nasal swab: 63% (contains most virus), throat: 32%, stool: 29% (can potentially transmit even without diarrhea – JAMA 3/4/2020), blood: 1%, urine: 0%.
How long virus lives on surfaces? (NEJM 3/17/2020) – Plastics: over 3 days, Stainless steel: over 2 days, Card-board: less than 1 day, Copper: less than 4 hours, Air: half-life less than 1 hour. Also see: cleaning works, PPE, masks, gowns protect (JAMA 3/4/2020).
Guidelines on sample collection, handling, storing & shipping: most up-to-date CDC guidelines.
Fraudulent Tests: FDA warning on unauthorized tests for public risk.
Recommended nasal and throat swabs from Puritan Medical Products.
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