Hidden Perils: Diagnosing Asymptomatic Disease Carriers

COVID-19, a disease induced by SARS-CoV-2, became worldwide pandemic while SARS, closely related virus, SARS-CoV, was successfully contained. This is because unlike can be spread people who do not display any symptoms of disease, either they are in the early stages infection or their remains clinically silent. research article traces complex history diagnosis symptom-free (or asymptomatic) carriers pathogens, term inseparably linked to rise laboratory pathogens. Only such reveal that an apparently healthy individual harbours dangerous bacteria, parasites, viruses. The begins with iconic story ‘Typhoid Mary’, New York cook found asymptomatic carrier typhoid fever microbes. It then discusses divergent approaches treatment hookworm and controversies around screening HIV carriers, especially before development anti-retroviral treatments. concludes presentation debates on role COVID-19 differences between countries seeking eliminate this goal itself entails tracing isolation all coronavirus, those trying contain it, approach tolerates presence limited number ‘invisible’ virus carriers.