The acute infection stage refers to the first weeks after infection, where the majority of infected individuals display severe flu-like symptoms such as fever, myalgia, sore throat, swollen lymph nodes, arthralgia, fatigue, headache, and sometimes rash.
The acute infection stage refers to the early weeks after getting infected, where most people display intense flu-like symptoms including high temperature, muscle pain, sore throat, swollen lymph nodes, joint pain, fatigue, headaches, and sometimes rash.