What are the symptoms during the incubation period of influenza A?

Feb 05, 2025 Source: Cainiu Health

Dr. Ren Yi

Introduction

In general, "swine flu" refers to the influenza A virus. Symptoms of the incubation period of the influenza A virus include fever, cough, sore throat, muscle or joint pain, fatigue, etc. During the high incidence season of the influenza A virus, patients should rest adequately, drink plenty of water, maintain indoor air circulation, and avoid going to crowded places to prevent the spread of the virus.

Generally speaking, "Avian Flu" refers to the Influenza A virus. Symptoms during the incubation period of the Influenza A virus include fever, cough, sore throat, muscle or joint pain, fatigue, and more. A detailed analysis is as follows:

1. Fever

Patients infected with the Influenza A virus may develop a fever, with body temperature reaching 38°C or higher. Fever is a self-defense response of the body to viral invasion and helps inhibit viral replication and spread.

2. Cough

Cough is the most common symptom during the incubation period of the Influenza A virus. Infection with the Influenza A virus causes inflammatory reactions in the respiratory mucosa, stimulating the cough reflex. Coughing helps clear the virus and mucus from the respiratory tract.

3. Sore Throat

Patients infected with the Influenza A virus may experience throat pain or a burning sensation. This is due to inflammation of the throat mucosa caused by the viral infection, which stimulates nerve endings, causing pain and discomfort.

4. Muscle or Joint Pain

Infection with the Influenza A virus may trigger a systemic inflammatory response, leading to muscle and joint pain. These symptoms may cause discomfort for patients but usually do not result in serious consequences.

5. Fatigue

During the incubation period, patients infected with the Influenza A virus may feel tired or weak. The immune system's fight against the virus consumes significant energy, and the viral infection itself can cause physical discomfort, making fatigue and weakness more likely.

During peak seasons for the Influenza A virus, individuals should focus on rest, drink plenty of water, maintain good indoor air circulation, and avoid crowded places to prevent the spread of the virus.

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