if a virus enters my body will it enter and leave alone or will it enter and infect cells please i need help

Virus are a type of infectious agents it in almost all scenarios it will infect as many as cells it can before your WBC's can kill them

And in fact you are right now only in the state of Disease free. Every second your body is fighting off diseases. So to support your immune system eat Lots of Healthy food and stay safe!

Explanation:

It will infect cells in body on its departure.

yes? sounds right, but you didn’t ask a question.

answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

explanation: