Packet 2: Tossup 2

The 1997 Dahlem Workshop criteria include the [emphasize] absence of organisms in this role, whose landscape ecology follows Pavlovsky’s rule of “natural nidality.” “Stuttering chain” dynamics indicate the presence of this role, whose maintenance potential depends on a population’s critical community size. Lin-Fa Wang linked dampened NLRP3 activity to an order’s success in this role in sylvatic cycles, which inspired the “flight as fever” hypothesis. The name of this role is shared by cells that clonally expand while latently infected with HIV. Environmental examples of this role include cooling towers for Legionella. (10[1])Bushmeat hunters (10[1])may harvest monkeys or bats that act in this (-5[1])role, (10[3]-5[2])causing (10[2])spillover (10[1]-5[1])of zoonoses (10[3])(“zo-uh-NO-seez”) like Ebola. (10[1])For 10 points, (10[1]-5[1])organisms in what role act as sustained sources (-5[1])of transmission (-5[1])by harboring (-5[1])infectious pathogens? (0[1])■END■ (10[3]0[3])

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