What does a positive result for Influenza A mean?

Jan 21, 2025 Source: Cainiu Health

Dr. Ren Yi

Introduction

In general, a positive result for Influenza A virus indicates the presence of viral particles of the Influenza A virus in the body as detected during testing. The primary methods for detecting the Influenza A virus are nucleic acid testing and antigen testing. When the result of nucleic acid testing is positive, it indicates the presence of the Influenza A virus in the patient's body. A positive antigen test also suggests that the patient is infected with the Influenza A virus.

　　Influenza A refers to Influenza Type A. Generally, a positive result for Influenza A indicates the presence of Influenza A virus particles detected in the body. Detailed analysis is as follows:

　　The main methods for detecting the Influenza A virus are nucleic acid testing and antigen testing. Influenza A virus nucleic acid testing determines infection by detecting the genetic material of the virus. When the nucleic acid test result is positive, it means that the genetic material of the Influenza A virus has been detected in the submitted nasal pharyngeal or oral pharyngeal swab sample, indicating the presence of the Influenza A virus in the patient's body.

　　Antigen testing, on the other hand, detects antigens on the surface of the Influenza A virus. A positive antigen test result indicates the presence of Influenza A virus antigens in the tested sample, which also suggests that the patient has been infected with the Influenza A virus.

　　It is recommended that patients diagnosed with Influenza A promptly take measures such as isolation and disinfection to prevent further spread of the virus among the population.

View All

Is dizziness after influenza A a sign of recovery?

Under normal circumstances, "Jia Liu" refers to Influenza A H1N1. Whether dizziness following Influenza A H1N1 indicates recovery depends on the specific circumstances. If dizziness is the only symptom present without other accompanying symptoms, it usually suggests the condition is improving. However, if dizziness is accompanied by other systemic symptoms such as headache, tinnitus, or fatigue, it may not indicate improvement. If any discomfort persists, prompt medical attention is recommended.

View Full Answer

What does a high level of amyloid A protein indicate?

Infection is a common cause of elevated marker levels. During bacterial infections such as pneumonia and pyelonephritis, serum amyloid A protein rapidly increases within hours, and the extent of elevation often correlates with the severity of the infection. Viral infections, such as influenza and coronavirus infection, can also lead to increased levels, although the rise is typically less pronounced than in bacterial infections, making it a useful adjunct for differentiating types of infection.