One and Done
On February 27, 2021, the FDA issued an emergency use authorization for a one-dose SARS-CoV-2 vaccine developed by Janssen Pharmaceutica, a Belgium-based division of Johnson & Johnson.
Gertrud Rey
Bacteria Make Antivirals
Viperin is a conserved antiviral protein that catalyzes the synthesis of chain terminator molecules in both vertebrates and prokaryotes.
RNA, in a Nutshell
The mRNA vaccine platform is based on decades of previous studies, highlighting the importance of regularly funding basic research.
Pandoraviruses Are Not Alive
Pandoraviruses seemingly have the ability to produce an electrical potential across their membrane, a feature that is typically only associated with living cells.
T Cell Responses to Coronavirus Infection are Complicated
Some have suggested that pre-existing cross-reactive memory T cells in people with no prior exposure to SARS-CoV-2 may have a protective effect. However, recent findings indicate that this may not be the case.
You Don’t Need the Whole Antibody
by Gertrud U. Rey Antibodies are large proteins that are made by B cells of the adaptive immune system. Most people think that antibodies function only as a whole molecule, but some of the individual fragments of an antibody can also bind and neutralize antigens. An antibody consists of two heavy chains and two light …