1/2 New normal post #Covid_19 won't look like the old. "Until we develop a vaccine against it, we won’t be able to return to the way things used to be" says @DrTomFrieden. "Measures we’ve taken so far won’t protect us from the virus; they only buy time": https://www.thinkglobalhealth.org/article/new-normal-covid-19-next-steps-we-must-take

2/2 @DrTomFrieden "As long as most people lack immunity, resuming normal activities will bring infections back. When we do finally step back outside, will have to be gradual return guided by concrete plan based on solid science. We need 2 act right now 2 put those plans in place"

Lesson from past "Travel will require more forethought. Venetian traders kept ships at anchor 40 days in quarantine before allowing them 2 dock. We may grow accustomed 2 either carrying proof of immunity or spending 14 days in isolation before entering new country." (paraphrase