Uncover the causes and clinical manifestations of viral colds

There are three types of viral colds: influenza, common cold, and viral pharyngitis. They are mainly transmitted through the hands or the air through the nasal cavity. Viral colds are contagious because the virus exists in the patient's body. When the patient sneezes or coughs, the virus can easily be spread through the air. What are the symptoms of viral colds?

1. Symptoms of toxic colds

The main symptoms are sneezing, nasal congestion, runny nose, dry throat, sore throat, cough, hoarseness, etc. Systemic manifestations include headache, body aches, fatigue, loss of appetite, or no fever, or low fever, or high fever, chills, etc. The course of the disease is generally 3 to 7 days.

2. Causes

"Influenza" is not the popular "cold". "Influenza" and "cold" are two completely different diseases. "Influenza" is a systemic disease mainly affecting the upper respiratory tract caused by influenza virus infection. The pathogens are influenza A, B, and C viruses; "cold" is an upper respiratory tract infection mainly caused by respiratory syncytial virus, rhinovirus, adenovirus, coronavirus and parainfluenza virus.

3. How to prevent

(1) Pay attention to daily physical exercise and arrange outdoor activities appropriately to adapt to changes in the environment and climate.

(2) Wear appropriate clothing and adjust clothing in time according to climate changes to prevent cold or overheating.

(3) Control and treat chronic diseases and correct malnutrition.

(4) Pay attention to indoor ventilation and avoid going to crowded public places with polluted air.

(5) Avoid triggering factors such as overwork and drunkenness.

(6) Pay attention to personal hygiene and wash your hands frequently.