Add Yahoo as a preferred source to see more of our stories on Google. The claim: WHO changed COVID-19 testing guidelines; one PCR test is not enough to diagnose COVID-19 Since its global emergence ...
Polymerase chain reaction (PCR) technology-based testing method has been widely recognized as the golden standard for detecting infectious agents. Real‐time monitoring of PCR has further simplified ...
The human leukocyte antigen (HLA) system has an important role in the regulation of the immune system; the HLA recognizes cells as ‘non-self’ or ‘self’ to prevent the body from attacking its own cells ...
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