Many people smell phantom smells after a viral illness because of the damage and swelling in the sinus cavity. Phantom smells are also common after a seizure or before a migraine.
illness
Cold sores are a viral illness. They are caused by herpes simplex virus.
Neither ! It's a mental illness - NOT caused by bacteria or virus !
Viral illness 2 weeks, Bacterial with treatment 2 weeks unless serious. Serious illnesses are not included in my answer.
West Nile is caused by West Nile Virus.
exposure to viral illness during the second trimester of pregnancy
Reye's syndrome
Unfortunately during this early stage, a doctor cannot tell this illness from any other illness, such as a viral infection like influenza.
Early viral studies were done with the tobacco mosaic virus. The reason for this is that it was the first virus which was discovered.
Severe acute respiratory syndrome (SARS) is a viral respiratory illness caused by a coronavirus.
There are some illnesses that are cause through heredity and some which are contagious through contact viral or any other.
Reye's syndrome is an emergency illness chiefly affecting children and teenagers. It almost always follows a viral illness such as a cold, the flu, or chicken pox.