The “London patient” may represent the second person cured of the infection by a cell transplant.

Pathogens can take various routes to pass the blood brain barrier and damage cells.

Scientists may need to seriously reconsider the cast-aside hypothesis that pathogens can play a part in diseases such as Alzheimer’s and Parkinson’s.

The outbreak has infected 50,000 people and killed 300, most of them children, since cases began to crop up in October 2018.

Mice exposed to heat wave temperatures ate less and showed weakened immune responses to the virus.

Tiny insects carry the tomato spotted wilt virus, which causes infected plants to develop discolored ring-shape blotches.

Menglà virus, detected in bats in China, infects cells through the same host receptor targeted by the deadly pathogens.

Human endogenous retroviruses that colonized vertebrate DNA millions of years ago have long been dismissed as junk DNA, but researchers now know that they may play important roles in cancer, neurodegeneration, and other ailments.

Clinical trials that target human endogenous retroviruses to treat multiple sclerosis, ALS, and other ailments are underway, but many questions remain about how these sequences may disrupt our biology.