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12 h 17 abr 2020 año - NYT: Sloppy CDC Practices Causes Contamination Delaying test kits

Descripción:

https://www.nytimes.com/2020/04/18/health/cdc-coronavirus-lab-contamination-testing.html

Añadido al timeline:

Nathan Rich: COVID-19 in the USA

28 abr 2022

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fecha:

12 h 17 abr 2020 año

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