A discussion of the candidates for a COVID-19 vaccine, the usual timeline for vaccine development, and strategies for dramatically speeding that timeline up.
ChAdOx1 nCoV-19 Phase 1/2 Trial (The Lancet): https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(20)31604-4/fulltext
mRNA-1273 Phase 1 Trial (NEJM): https://www.nejm.org/doi/full/10.1056/NEJMoa2022483
The New York Times Vaccine Tracker: https://www.nytimes.com/interactive/2020/science/coronavirus-vaccine-tracker.html
An alternative vaccine tracker:
An overview of the most promising COVID vaccine candidates: https://www.livescience.com/most-promising-coronavirus-vaccine-candidates.html