What are the differences between baby flu and cold?

Influenza is an acute respiratory infectious disease caused by influenza virus infection. Influenza is highly infectious, and there will be obvious symptoms such as high fever, general soreness, fatigue, etc., but nasal congestion and runny nose symptoms are lighter than common cold. Common cold is mostly viral infection, accompanied by obvious nasal congestion, runny nose, fever, etc., influenza and common cold can be distinguished by laboratory examination.