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Is Covid Mass Testing Good or Bad?
« on: December 19, 2020, 05:15:38 pm »
By Edsel Maurice Salvana via Facebook

Let's be rational when doing testing.

What is the risk of COVID-19 for someone who goes out everyday and interacts with people for work and business? It depends on the ongoing community transmission rate. It's an imperfect measure, but the positivity rate of a test in a locality can give an idea of the pretest probability of infection.

For a doctor in an ER in NCR who sees patients daily, the pretest probability is about 3 to 5%, less the mitigating effect of PPE. Still reasonable to test periodically. Same for a factory worker (if they don't stay in a factory bubble), jeepney driver, or security guard in NCR. Having symptoms increases the yield, being asymptomatic decreases it.

But for a person in Batanes who didn't travel anywhere or come in contact with anyone from outside the island and doesn't have any symptoms, the pretest probability is near ZERO. If you decide to test that person because of "mass testing," chances are its going to be negative nearly 100% of the time. There is also a tiny chance it returns a false POSITIVE and that will just make everyone panic.

Same for a person who lives in Manila but has not gone out in the last nine months and meticulously follows no contact deliveries and does not allow visitors. Near zero pretest probability, and there is a risk of a false positive if you insist on "mass testing" just because it's catchy.

So doing "mass testing" without considering pretest probability is a brain dead exercise and may actually be harmful because it may yield some false positives. People with exposure OR symptoms - go ahead and test. People with NO RISK, DO NOT TEST. Waste of resources and risk of false positive. I hope this helps explain why we sometimes do not recommend testing. It isn't for everyone. Stay safe.


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Re: Is Covid Mass Testing Good or Bad?
« Reply #1 on: December 20, 2020, 07:28:21 am »
Whatevs' but the vaccine is here, thanks heavens. I cant wait to get mine kay kapatyonon na kaayu ko ug tawo agi sa ka bored. I already used all my crafts and talents to amuse myself but seems not working anymore.

Are you guys getting your shipments already? Or your politicians are still negotiating who gives the bigger cut?  ;D

Ang among #BoyTakbas diri ga paling paling kay way mohatag ug barato niya.  8)

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Re: Is Covid Mass Testing Good or Bad?
« Reply #2 on: December 20, 2020, 07:46:02 am »
Last priority ang poorer nations, Bel. Dili ko magpa-vaccine. Risky kaayo na. Not proven

Linkback: https://tubagbohol.mikeligalig.com/index.php?topic=118624.0
John 3:16-18 ESV
For God so loved the world, that he gave his only Son (Jesus Christ), that whoever believes in him should not perish but have eternal life. For God did not send his Son into the world to condemn the world, but in order that the world might be saved through him. Whoever believes in him is not condemned, but whoever does not believe is condemned already, because he has not believed in the name of the only Son of God.

👉 www.dreamhost.com - Build your online web presence. Free website transfer and use of one-click Wordpress blog installation. Visit www.dreamhost.com

Guide: Sitemap

ms da binsi

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Re: Is Covid Mass Testing Good or Bad?
« Reply #3 on: December 25, 2020, 06:57:45 am »
Last priority ang poorer nations, Bel. Dili ko magpa-vaccine. Risky kaayo na. Not proven
Ay naa baya to explanation ana Mike how safe it is. Video man to pero wa jud nako ma save. Maayu unta to sha i share sa madlang pipol. Among silingan diri kay hospital worker man nag vaccine na sila. I would like to have it pero gi prioritize ang mga essential workers ug mga seniors 60 above. Si mike nako diri pwede na naa na sha appointment. Ako ani mga march na tingali kay gamay raman ang supply.

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Re: Is Covid Mass Testing Good or Bad?
« Reply #4 on: December 25, 2020, 07:47:51 pm »
I won't risk, Bel. Safe vaccine means 5 years in development.


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Linkback: https://tubagbohol.mikeligalig.com/index.php?topic=118624.0
John 3:16-18 ESV
For God so loved the world, that he gave his only Son (Jesus Christ), that whoever believes in him should not perish but have eternal life. For God did not send his Son into the world to condemn the world, but in order that the world might be saved through him. Whoever believes in him is not condemned, but whoever does not believe is condemned already, because he has not believed in the name of the only Son of God.

👉 www.dreamhost.com - Build your online web presence. Free website transfer and use of one-click Wordpress blog installation. Visit www.dreamhost.com

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