This week's meeting of the Advisory Committee on Immunization Practices will be led by Kirk Milhoan, a physician and pastor ...

This story is part of a larger series on viroids and virusoids, small infectious RNAs. It is also the third installment in a series on hepatitis D virus, a virusoid-like pathogen that causes serious ...

This story is part of a larger series on viroids and virusoids, small infectious RNAs. It is also the eighth installment in a series on hepatitis D virus, a virusoid-like pathogen that causes serious ...

The World Health Organisation’s International Agency for Research in Cancer (WHO-IARC) has now declared hepatitis D, a little-known but deadly virus, carcinogenic, with the hope that it will lead to ...

The F.D.A. and the C.D.C. have both weighed in, but confusion remains. Here’s what to know. By Maggie Astor The threat of Covid infections has not gone away, but the vaccines that help protect against ...