Allrecord rapid antigen: the UK adds 9 new symptoms to the new crown pneumoniaNine new symptoms have been added to the UK's official list of symptoms of Covid-19, in addition to a new strain of Omicron, 'Long COVID' and 'Post COVID' Have the latest data. We will review them in this report.

Alat rapid antigen: basic knowledge of nucleic acid detection1. What is nucleic acid detectionDefinition of nucleic acid: nucleic acid is a kind of biological macromolecules connected by nucleotides or deoxynucleotides through 3 ', 5' - phosphate diester bond.