Los Angeles health officials are testing for the new, more contagious coronavirus variant first detected in the United Kingdom as COVID-19 cases skyrocket in California. “I wouldn’t be surprised that it’s already here,” Dr. Peter Chin-Hong, an infectious disease professor at UCSF School of Medicine, told ABC-7 News. The variant, which researchers have determined is approximately 56% more contagious than other strains of the SARS-CoV-2 virus, has...