Chatham-Kent was down to 24 active COVID-19 cases Tuesday, its lowest total since early March. Author of the article: Mark Malone Publishing date: May 25, 2021 • 2 hours ago • 2 minute read • This undated transmission electron microscope image shows SARS-CoV-2, also known as novel coronavirus, the virus that causes COVID-19, isolated from a patient in the U.S. Virus particles are shown emerging from the surface of cells cultured in the lab. The spikes on the outer edge of the virus particles give coronaviruses their name, crown-like. Article content Chatham-Kent was down to 24 active COVID-19 cases Tuesday, its lowest total since early March. The daily total had been in the 30s for all but one day in the past five weeks.