134K views · 2.3K reactions | Dr. Anthony Fauci said a COVID-19 vaccine could be available by the end of this year or the beginning of 2021. "We feel cautiously optimistic," he told lawmakers on Capitol Hill on Tuesday. More: https://trib.al/nORS6HT | NPR | Facebook

142K views · 943 reactions | Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, said that the declining Covid-19 numbers are good news, but warned against complacency. "We’ve just got to be careful about getting too excited about that because we do have the challenge of variants," he said. https://cnn.it/2Zjdv30 | CNN Replay | Facebook

Seven Years of the Thirteenth Doctor | Doctor Who