In the case of the COVID-19 vaccine, that tiny portion is the spike protein that the coronavirus uses to enter cells. A public health alert is being issued for brand spanking new contact tracing areas on the Townsville and Brisbane home airports, in addition to two Virgin flights. Boyfriends meeting their “pandemic girlfriends” for the first time, parents reuniting with their children after years of waiting — meet some of the individuals on the first flight to Hobart after borders reopened. Stay updated with the latest medical and health news that matter most to you and your liked ones. Using …