Latest Biology & Health News

How varicella-zoster virus causes chickenpox, hides in nerve ganglia for decades, and returns as shingles, plus what Shingrix trials showed about prevention.

Parvovirus B19 causes fifth disease: slapped cheek rash in children, joint pain in adults, aplastic crisis in sickle cell disease, and fetal risk in pregnancy.

Tick-borne encephalitis is a flavivirus infection mainly spread by Ixodes ticks. Three subtypes, a two-phase illness, effective vaccines, and why cases keep rising.

Rift Valley fever spreads by mosquitoes and contact with infected livestock, causing abortion storms in animals and rare severe disease in humans.

Japanese encephalitis virus spreads from pigs and herons through Culex mosquitoes. Learn the burden, symptoms, vaccines, and real traveler risk.

Epstein-Barr virus (EBV) infects about 9 in 10 adults, causes mono, and is tied to several cancers and multiple sclerosis. How it hides and what research shows.

Crimean-Congo hemorrhagic fever is a tick-borne virus with a 10 to 40 percent reported fatality. How it spreads, how it progresses, and what treats it.

Rubella causes a mild rash in children but can devastate a fetus. How the virus works, what CRS does, and how vaccination eliminated it in the Americas.

Mumps spreads by saliva, swells the parotid glands, and can cause orchitis and meningitis. See why vaccinated campuses still see outbreaks and what a third dose does.

Hand, foot and mouth disease is caused by coxsackievirus A16, EV-A71 and others. How it spreads, why EV-A71 can reach the brain, and which vaccines exist.

CMV infects 60–80% of adults yet causes devastating harm in newborns and immunocompromised patients. Here's everything you need to know.

Enterovirus D68 usually causes cold-like illness but can severely worsen asthma and, rarely, is linked to polio-like paralysis (AFM). Evidence explained.