virus, genetics & genomics, immunology

The P.1 variant, which has also been detected in five US states, could be responsible for cases of reinfection, according to a preprint.

Variant B.1.1.7, though likely more contagious than other strains, does not appear to be more deadly.

A pathway involved in the adaptive immune system, a relative newcomer in the world of pathogen defense, may have a more ancient role in protecting cells from invading viruses.

Bat species use different strategies to dampen immune activation in response to viruses.

Repeat COVID-19 cases could offer clues about people’s immunity to the novel coronavirus and how to vaccinate against it.

Small RNAs called piRNAs provide a first line of defense against the viruses.

Scientists spent five years reconstructing what is now the oldest HIV-1 genome yet recovered.

Phages that die during bacterial invasion help other viruses defeat the microbes’ immune responses.

Sequencing HIV integration sites suggests that clonally expanded T-cell populations may not be the main source of latent virus.

Ebola, MERS, and enterovirus D68; polio eradication efforts; new regulations on potentially dangerous research