If pathogenic bacteria are detected in sputum and throat swab secretions, it is regarded as a respiratory infection. It can be combined with other examinations (X-ray fluoroscopy, B-ultrasound, etc.) to diagnose the site of respiratory infection.

Normal human pharyngeal isthmus culture should have normal oral flora, without the growth of pathogenic bacteria.

Total Antibodies Rapid Test: Omi Keron is here. According to Zhang Zhongde, clinical findings showed that more than 80% of people infected with the delta mutant strain had fever, with symptoms such as high fever, chills, headache, dry throat, fatigue, abdominal distension, and loss of appetite as the main symptoms.