Doctors should watch out for COVID-19 'false negatives', researchers warn
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Countries are trying extremely hard to contain the novel coronavirus pandemic. They are aggressively focusing on testing potential cases, isolating them (if positive), and tracing and quarantining all their close contacts. But, the thing is, all this effort could go in vain due to certain COVID-19 'false negatives' in which a person who is actually infected by the coronavirus could also test as negative.