A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.

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As the COVID-19 pandemic accelerates around the world, many low- and middle-income countries (LMICs) are still struggling to access the diagnostic tests they desperately need to bring the disease ...

Molecular testing, or molecular diagnostics, refers to a group of tests that look at the genetic material in a specimen. It can detect genetic risk factors for certain diseases or provide evidence of ...