How do viruses that cause chronic infections, such as HIV or hepatitis c virus, manage to outsmart their hosts' immune systems? The answer to that question has long eluded scientists, but new ...

Like many chronic infections, visceral leishmaniasis thwarts the immune system's defenses so it can settle comfortably into its host. Skip to content. Menu. Medical Home Life Sciences Home.

Because the human immune system is extraordinarily picky, the person at the top of the wait list may lose out to someone who’s a lower priority but a better immunological match.

These findings reveal a previously hidden layer of HIV-1's life cycle, shedding light on how the virus enhances its persistence, replication and ability to evade the immune system.