ME/CFS and the closely related long COVID could be caused by damage to the brainstem, according to a new scientific theory.

Herpes simplex virus-1 (HSV-1) is a common virus; the World Health Organization has estimated that as many as two-thirds of people worldwide who are under age 50 may be infected. HSV-1 can spread ...

The dreaded stuffy nose – that uncomfortable pressure and congestion that makes every breath a chore and every night’s sleep an exercise in frustration. But is it just seasonal allergies acting up, or ...

The vast majority of sinus infections are caused by viruses and should not be treated with antibiotics, suggest new guidelines released by the Infectious Diseases Society of America. Although sinus ...

Herpes viruses are common infections that can lie dormant in the body without causing symptoms. Sometimes, the herpes virus may reactivate as meningitis, a severe viral infection of the brain. Herpes ...

You wake up with a scratchy throat and that vague feeling of unwellness. Is it just allergies? The start of a cold? Or something that might need antibiotics? Knowing the difference between viral and ...

Viral meningitis is an inflammation in the membranes around your brain and spinal cord. It is caused by different viruses and is usually milder than the bacterial type. Share on Pinterest Yuliya ...

Spinal meningitis, more commonly known as meningitis, is inflammation of the meninges, the membranes surrounding the brain and spinal cord. It is a serious and potentially life threatening condition.

Former Australian cricketer Damien Martyn is in an induced coma after being diagnosed with meningitis. The 54-year-old is ...

Scientists at the Garvan Institute of Medical Research have discovered how a viral infection causes autoimmune disease, disproving a long-standing theory and opening a promising new approach to ...

Myositis is a group of conditions that cause muscle inflammation and weakness. Viral myositis occurs as a complication of a viral infection, such as influenza viruses or enteroviruses. Viral myositis, ...