Coronavirus outbreak raises question: Why are bat viruses so deadly? It’s no coincidence that some of the worst viral disease outbreaks in recent years — SARS, MERS, Ebola, Marburg and likely the newly arrived COVID-19 — originated in bats. A…

The spikes crowning the new coronavirus that causes COVID-19 atypical pneumonia are divulging how they attach, fuse and gain entry to cells. Analysis of the spike architecture and its mechanics is locating the virus’ vulnerabilities, and revealing other information that…