Coronavirus: US issues 'do not travel' advisory for Japan ahead of Olympics - as it happened
F.D.A. Advisers Back Authorizing Moderna Vaccine for Children 6 to 17 - The New York Times
Swabbing under way at Changi Airport, where Covid-19 cluster now linked to 10 cases
Eatery at Changi Airport Terminal 3 visited by Covid-19 cases while infectious - TODAY
How Changi Airport battled the pandemic: a documentary
Changi Airport Covid-19 cluster originated in zone that received travellers from higher-risk places
NEWS – Airport World
How Changi enhanced infection prevention in the terminals
Singapore's largest active Covid-19 cluster: What went wrong at Changi Airport?
Singapore says airport virus cluster likely linked to infected travelers
April 16, 2020 coronavirus news