Nate Silver Quotes: Herd immunity - the biological equivalent of a firewall in which the disease has too few opportunities to spread and ...

Herd immunity - the biological equivalent of a firewall in which the disease has too few opportunities to spread and dies out. (Nate Silver)

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Nate Silver Quotes: Herd immunity - the biological equivalent of a firewall in which the disease has too few opportunities to spread and dies out.

Nate Silver Quotes: Herd immunity - the biological equivalent of a firewall in which the disease has too few opportunities to spread and dies out.

Nate Silver Quotes: Herd immunity - the biological equivalent of a firewall in which the disease has too few opportunities to spread and dies out.

Nate Silver Quotes: Herd immunity - the biological equivalent of a firewall in which the disease has too few opportunities to spread and dies out.

Nate Silver Quotes: Herd immunity - the biological equivalent of a firewall in which the disease has too few opportunities to spread and dies out.

Nate Silver Quotes: Herd immunity - the biological equivalent of a firewall in which the disease has too few opportunities to spread and dies out.

Nate Silver Quotes: Herd immunity - the biological equivalent of a firewall in which the disease has too few opportunities to spread and dies out.

Nate Silver Quotes: Herd immunity - the biological equivalent of a firewall in which the disease has too few opportunities to spread and dies out.

Nate Silver Quotes: Herd immunity - the biological equivalent of a firewall in which the disease has too few opportunities to spread and dies out.

Nate Silver Quotes: Herd immunity - the biological equivalent of a firewall in which the disease has too few opportunities to spread and dies out.

Nate Silver Quotes: Herd immunity - the biological equivalent of a firewall in which the disease has too few opportunities to spread and dies out.

Nate Silver Quotes: Herd immunity - the biological equivalent of a firewall in which the disease has too few opportunities to spread and dies out.

Nate Silver Quotes: Herd immunity - the biological equivalent of a firewall in which the disease has too few opportunities to spread and dies out.

Nate Silver Quotes: Herd immunity - the biological equivalent of a firewall in which the disease has too few opportunities to spread and dies out.

Nate Silver Quotes: Herd immunity - the biological equivalent of a firewall in which the disease has too few opportunities to spread and dies out.