20/20 Vision

Based on the Snellen chart, ophthalmologists tell us that 20/20 vision is clearer than 20/21. And, based on several of this week's leading stories, 2020 is making its move to bring some of this year's leading stories into sharper relief. F D A The US Food and Drug Administrationauthorized the first COVID-19 vaccine for emergency use in the United States. Millions of doses of the Pfizer and BioNTech coronavirus vaccine, which has been found to be 95% effective, were shipped to distribution sites around the country this week. An emergency use authorization means that a medical product gets special authorization by the FDA to be used during an emergency. It is not a full approval. The drug's manufacturers would have to file a separate application for its vaccine to be fully licensed by the FDA. The process of vaccination will take some time, and will take place in a staged sequence as outlined by the