Sciencespeaking topic
If enough people in a society are vaccinated, even an unvaccinated person doesn't get sick, because the virus can't find a path to reach them. So what protects you isn't your own immunity but the invisible wall the people around you form. Is health a personal possession, or a property of the network?
— herd immunity / transmission networks
practice with this topic
Set the timer (5-30 min), take 20 seconds of prep if you like, start talking. Jot your thoughts onto the sticky-note board.
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