The complement system in teleost fish constitutes a cornerstone of innate defence, integrating classical, lectin and alternative activation routes to eliminate pathogens and shape inflammatory ...

The complement system, a central arm of innate immunity, comprises a network of plasma and membrane-bound proteins that detect and eliminate pathogens. In severe COVID-19, SARS-CoV-2 triggers ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American The very first line of defence against any ...

Our immune system works around the clock to protect us from bacteria, viruses, and other harmful germs. It also helps repair damaged tissues after injuries. One of its most important defense tools is ...