???√ulcan <999V...@russian.z1> wrote:
> On 11/21/2020 10:38 AM, ???√ulcan wrote:
> > On 11/20/2020 11:11 PM, Const wrote:
> >> ???√ulcan <999V...@russian.z1> wrote:
> >>> интересный write-up
> >>
> >>> The Vulnerable Can Wait. Vaccinate the Super-Spreaders First
> >>
> >>>
https://www.wired.com/story/covid-19-vaccine-super-spreaders
> >>
> >>> Let's say you've got one course of the vaccine and two people to choose
> >>> between: Candidate 1 is a college student who doesn't social distance,
> >>> wears his mask slung beneath his chin, and plays beer pong all weekend
> >>> at underground frat parties. Candidate 2 is his 87-year-old widowed
> >>> grandmother, who lives on her own and has barely been out of the house
> >>> since March. If your goal is to protect the more vulnerable person, you
> >>> should vaccinate grandma. If your goal is to reduce transmission, you
> >>> should vaccinate the frat bro. From society's perspective, he's a jerk;
> >>> from the network's, he's a hub.
> >>
> >> И откуда нам известно, что бро - суперспредер ?
> >
> > Havlin and two colleagues argued that you could achieve global effects
> > on a complex network using only local knowledge. All you had to do was
> > follow a simple script: Take a random sample of a population, ask each
> > individual to name a single acquaintance, and vaccinate the
> > acquaintance. ?In this way,? Havlin says, ?you can reach the hubs, the
> > super-spreaders, very easily.?
> >
> > This acquaintance immunization strategy wasn't as efficient as one that
> > targeted the most highly connected nodes based on complete knowledge of
> > a network. But it was close. ?If you do this,? Havlin says, ?you reduce
> > the number of units that you need to immunize by a factor of three or
> > four.? Diseases that would normally keep spreading until 60 or 80
> > percent of the population was infected?the herd immunity threshold?could
> > be stopped by vaccinating just 10 or 20 percent. Havlin likens the
> > effect to a phase transition: A solid network of ice crystals melts
> > suddenly into water.
> Acquaintance immunization works because of a phenomenon known as the
> friendship paradox, which holds that, on average, your friends have more
> friends than you do. The very act of asking someone to choose a friend,
> any friend, played out over hundreds or thousands of iterations, leads
> inevitably to the most connected people.
Это совсем не то, что я спрашивал.
А эта идейка - просто отличная.
Только бюрократы и политики не дадут этого сделать.
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Const