Long working hours, double duties, lack of sleep, burn-outs, and losing colleagues and family. Though the Covid-19 pandemic has affected all sections of society, it has been particularly hard on nurses. According to a study, nurses who worked in regions with high infection rates reported more severe psychological symptoms than their peers.

With at least 188 countries rolling out vaccination programs against Covid-19, some countries have issued or are actively considering implementing a vaccine passport system to help open up international and domestic travel.