Symptoms of COVID-19, the respiratory disease caused by the SARS-CoV-2 coronavirus, typically include a dry cough, fever and shortness of breath. But evidence is beginning to emerge from other countries and now from the UK that sudden loss of smell (also known as anosmia or hyposmia) — and in some cases, taste — is an early indication of COVID-19. Colorized scanning electron micrograph of an apoptotic cell (blue) infected with SARS-COV-2...
