BOGOTA, Colombia (AFP) — A new coronavirus variant known as “Mu,” identified first in Colombia in January, is now the country’s predominant strain and behind its deadliest pandemic wave yet, a health official said Thursday. The variant was responsible for Colombia’s deadly third infection wave between April and June, health official Marcela Mercado told a local radio station. During this period, with about 700 deaths per day, nearly two-thirds of tests from people who died […]