Swab antigen dan rapid antigen: Emergency in Europe, over 200,000 diagnosed in France in one day! The world is once again facing a new wave of outbreaks.The new subtypes of Omicron BA.4 and BA.5 are causing a new wave of infections in Europe.

The culture of normal human pharyngeal isthmus should have normal oral flora without pathogenic bacteria. The bacteria in the pharynx come from the outside and are not pathogenic under normal circumstances, but they can cause diseases due to the decline of systemic or local resistance and other external factors.