Saliva testing and molecular PPE - this week's top COVID-19 science stories

Physiotherapist Ana Carolina Xavier of FamilyCare, a group specialising in mobile physiotherapy care, and who also works at the ICU of Lagoa-Barra field hospital for COVID-19 patients, uses an oxygen machine during her treatment after being diagnosed with the coronavirus disease (COVID-19), at her house in Rio de Janeiro, Brazil June 25, 2020. Picture taken June 25, 2020. REUTERS/Ricardo Moraes - RC2T7I99DGDF

A COVID-19 patient in Brazil. Image: REUTERS/Ricardo Moraes

Greta Keenan
Lead, Strategic Impact and Communications, World Economic Forum
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