1. Which cities have the biggest racial gaps in COVID-19 testing access?;Kim;FiveThirtyEight.,2020
2. Should we be testing fewer people to stop the spread of Covid-19?;Courage;Vox,2020
3. ‘Immunity passports’ could speed up return to work after Covid-19;Proctor;The Guardian,2020
4. Coronavirus: NHS app paves the way for ‘immunity passports’;Wakefield;BBC News,2020
5. Germany could issue thousands of people coronavirus ‘immunity certificates’ so they can leave the lockdown early;Bienkov;Business Insider,2020