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Strategies & Market Trends : 2026 TeoTwawKi ... 2032 Darkest Interregnum -- Ignore unavailable to you. Want to Upgrade?

To: arun gera who wrote (159886)	7/7/2020 1:38:44 AM
From: TobagoJack	Respond to of 218621

Re <<water boil>> ... and different altitudes, surrounding ambient temperature, water purity, etc etc :0) (1) Questions: (1-i) What do you guess the maximum time span is before we know herd-immunity is in place in any particular location? (1-ii) Where? (1-iii) What would it mean for herd immunity if all neighboring regions are not covered by herd-immunity but continue to travel through all neighboring herds? (1-iv) How long do you guess the immunity is good for? (2) We could, OTOH, be looking at true-bad-news, and if so, very bad. Am of course concerned for the next generations.

To: arun gera who wrote (159886)	7/7/2020 10:25:51 AM
From: Horgad	Respond to of 218621

Liquids will boil depending on how much the molecules move around and how often they bump into one another...like people in a disorganized herd. But why not just look at the equation for herd immunity? Where R is the average number of new infections caused by an infected person and S is the proportion that is susceptible to infection. R depends on many things including population density, population behavior, disease contagiousness, etc. S depends on antibodies and overall immune system health. Social distancing is about temporarily/artificially lowering R. Some countries have managed to artificially lower their R enough to squash the spread, but as Ant pointed out that only leaves them open indefinitely for wave one.