A public health / pandemic expert should know that "quarantining" 3000 people on a cruise ship only gets you from 10 cases to 3000 cases. It's a leaky, filthy

A public health / pandemic expert should know that "quarantining" 3000 people on a cruise ship only gets you from 10 cases to 3000 cases. It's a leaky, filthy sieve with 3000 bodies and no isolated airflow.