Puerto Rico December 16, 2020 6:31 am First Vaccination Administered in Puerto Rico Vaccinations against COVID-19 in Puerto Rico officially began on Tuesday at Ashford Hospital in San Juan. 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