Oxford-AstraZeneca announced that its COVID-19 vaccine showed an average efficacy of 70% in large-scale trials in Brazil and the UK. This announcement followed similar releases by Pfizer-BioNTech and Moderna, contributing to global vaccination efforts.
In History, Today on November 23
Today we explore events from the year 534 to the year 2020. Events span the globe, from the countries of Vietnam, Georgia, Comoros, Italy, New York, United States, England, Spain, Liberia, Sweden, Byzantine Empire, United Kingdom, United States, Syria/Turkey, Syria, Albania, France, Hungary.