blog posts COVID-19 infections are rising again in parts of Illinois. Here’s where and why. Jul 9, 2021 11:15 am by Chicago TribuneIllinois in the News Share on Facebook Tweet Email Images Chicago Tribune (July 8) 'If you wanted to evolve the virus to be as dangerous as possible, the perfect situation would be to have a large unvaccinated population together with a vaccinated population,' says physics professor Nigel Goldenfeld. Share on Facebook Tweet Email