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Cheryl Cohen talks to Gary Humphreys about how the COVID-19 pandemic is encouraging respiratory disease surveillance collaboration in South Africa.Significant challenges need to be overcome to ensure eventual COVID-19 vaccines get to everyone who needs them. Andréia Azevedo Soares reports.In the outer solar system, the Kuiper Belt contains dynamical sub-populations sculpted by a combination of planet formation and migration and gravitational perturbations from the present-day giant planet configuration. The subdivision of observed Kuiper
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