COVID-19-related messages are a new use of this alert system. They indicate changing ideas about what constitutes an emergency and underscore the challenges of public messaging in a personalized media environment.
Viewed from the perspective of evolutionary selection, it seems that the UK government’s decision to lengthen the period between first and second vaccine doses provided delta with an extra window to infect people.
Given parents are not allowed to travel to get them back, the situation is almost impossible. Some have reportedly resorted to hiring strangers to help get their kids home. As desperate parents seek alternative solutions, young people may become prey to strangers while in transit.