If you live in the United States, odds are high that a tiny passenger rides in your blood. By adulthood, more than 94 percent of people carry Epstein-Barr virus, or EBV, a germ that often spreads ...

Virus entry is thought to involve binding a unique receptor for cell attachment and cytosolic entry. For SARS-CoV-2 underlying the COVID-19 pandemic, angiotensin- converting enzyme 2 (ACE2) is widely ...