Health experts say that polymerase chain reaction tests could yield negative results if nasopharyngeal or oropharyngeal samples of COVID-19 suspects are not collected in a proper way. Recently, three ...
The AIIMS - Patna Director said that while his hospital engages specialist doctors from the ENT department to collect nasopharyngeal and oropharyngeal samples of suspects for Covid-19 test, others ...
The adage, "If you blink, you'll miss it," applies to wastewater contaminants too. As Australian researchers have now illustrated, improper sampling protocols to detect pharmaceuticals, personal care ...