Singapore's largest active Covid-19 cluster: What went wrong at Changi Airport?

The Covid-19 cluster at Changi Airport has swelled to more than 100 people in less than a month.- The Straits Times/ANN

SINGAPORE, May 22 (The Straits Times/ANN): In less than a month, the Covid-19 cluster at Changi Airport has swelled to more than 100 people, including airport workers whose jobs did not require them to interact with passengers, family members of front-line staff and visitors.

It is now the largest active cluster in Singapore, and accounts for four of the 30 new community cases reported on Friday (May 21).