The COVID-19 disease is caused by the COVID-19 virus. In early 2020, its global spread was declared a Public Health Emergency of International Concern and then a pandemic by the World Health Organization (WHO). One of the most widely used methods for detecting the virus is a nuclear-derived technique called reverse transcription – polymerase chain reaction.
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COVID-19
COVID-19
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Coronavirus Disease (COVID-19) - PAHO/WHO
NSU prepares for possible spread of COVID-19 - Northwestern State University
Coronavirus (COVID-19)
