Scientists discover how yellow fever and encephalitis viruses enter human cells, and block them with decoy molecules.

A model showing proteins called death fold domains (green) telling a caspase enzyme (blue) to kill the cell after it has been compromised by pathogens. The immune system has a tough job: When a tiny ...

Viruses have spent billions of years perfecting the art of invading cells, hijacking their machinery and spreading with ...

Scientists have finally watched influenza viruses break into living human cells in real time, catching the microscopic invaders as they latch on, glide across the surface and slip inside. Instead of a ...

A new vaccine design uses folded DNA to steer the immune system toward producing the rare immune cells needed to make protective antibodies against HIV.

Unexpected new insights into how COVID-19 infects cells may help explain why coronaviruses are so good at jumping from species to species and will help scientists better predict how COVID-19 will ...

LONDON (Reuters) - A virus closely related to smallpox disguises itself as a piece of a broken cell to trick its way into cells, Swiss researchers said on Thursday in a discovery that could lead to ...

In a ground breaking study in the UK researchers have identified a previously unknown mechanism that allows the immune system to fight viruses even after they have infected cells. Until now it was ...

The virus that causes COVID-19 can enter brain cells, which may explain the neurological symptoms some patients experience, according to new research cited by The New York Times. A team of researchers ...

The immune system has a tough job: When a tiny virus invades one of our cells, that cell must detect it and, within minutes, decide what to do. If the cell quickly self-destructs, that will prevent ...