The pharmaceutical company Pfizer, has released promising news in regards to a Covid-19 vaccine. During the companies' COVID-19 vaccine trials, early analysis shows their vaccine is more than 90% effective at preventing the virus. This news is timely as the United States and Washington State are currently heading into the biggest surge of coronavirus cases yet. Dr. Vinay Gupta is a pulmonologist and critical care physician at the University of Washington. He joined us to discuss the potential Covid-19 vaccine and rising cases in Washington state.