RR2020

CM Mediclinic in Chiang Mai doing Antibody test.

https://www.cmmediclinic.com/coronavirus-covid-19-testing.html

1395 baht

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Camillian Hospital in Bangkok doing antibody tests.

1500 baht.

http://www.camillianhospital.org/en/blood-test-for-covid-19/

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On 4/29/2020 at 2:59 PM, Puccini said:

In South Korea, "at least 222 people have tested positive for the virus again after recovering"

Source: https://www.aljazeera.com/amp/news/2020/04/coronavirus-quandary-patients-south-korea-200426235141488.html

All found to be false positives.  Nobody has as yet caught Covid-19 twice, meaning as normal with an RNA virus, once you had it once you get immunity.