coronavirus July 3, 2020 6:04 am Coronavirus Infections Hit Record High More than 50,000 new cases were confirmed in the United States on Thursday. US & World Videos 2:19 San Francisco barbershop struggles to stay open after pandemic 0:51 Alameda County using dogs to detect COVID 3:57 Interview: Doctor's perspective on COVID 4 years after shutdown started 2:27 Marking 4 years since COVID-19 shut down the Bay Area 2:09 CDC updates COVID isolation guidelines