Rapid Antigen Test (RAT), sometimes called Rapid Antigen Test (RADT), Rapid Antigen Test (ART), or simply Rapid Test, is a rapid diagnostic test suitable for point-of-care testing that directly detects the presence or Antigen is absent. Such tests are a type of lateral flow test that detects antigen

Assisted by the examiner with a tongue depressor, the pharyngeal swab is passed over the base of the tongue to reach the lesions of the pharyngeal isthmus.

Allrecord rapid antigen: French new crown cases increase by about 50% every week, experts recommend wearing masks on public transport Overseas Network, June 23.

What are XE mutants?XE is a mutant resulting from recombination of BA.1 (original Omicron strain) and BA.2 (Omicron "stealth" strain), and is referred to as a "recombinant" or hybrid strain. And a "variant" is a version of a virus that contains a set of mutations, or changes in its genetic material.

Nasal swab collection method: Wet the swab in normal saline. Measure the distance from the nostril to the base of the ear with a swab and mark it with your finger.