evidence: The Trump administration and AstraZeneca announce a collaboration to speed development of a COVID-19 vaccine called AZD1222. HHS says it expects the first doses to be available as early as October 2020; phase 3 clinical studies are underway this summer. [...] October 8 — White House COVID-19 Outbreak Grows to 34 [...] October 15 — US Cases Spike Again; Studies Connect Blood Type and COVID-19 Risk