Once 2,000 square miles in Virginia and North Carolina, the swamp today is perhaps one-tenth that size. Allison Shelley The worse it gets, as I wade and stumble through the Great Dismal Swamp, the ...

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 ...