This type of symptoms are common in viral infection and bacterial infection as well.
Viral infection subsides after few days with symptomatic treatment.
But if there is mixed infection or bacterial infection one has to go for antibiotic medicine course, otherwise there might be complication like pneumonitis
So remain in follow up with your doctor having these symptoms and if requires your doctor will go for investigations and treatment accordingly.
during this time take plenty of water and light diet with rest.
Ok and take care.