Coronavirus has seriously tested our border security. Have we learned from our mistakes?
- Written by Jacinta Carroll, Senior Research Fellow, Counter Terrorism and Social Cohesion, National Security College, Australian National University

There are now nearly 300 cases of COVID-19 linked to passengers who disembarked from the Ruby Princess cruise ship without any health checks from authorities.
Amid public condemnation, video of travellers squashed together in the immigration queue at Sydney airport made the rounds last week on social media.
Border security at both...
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