New concerns about the efficacy of various vaccinations over time, and what appears to be waning immunity to COVID-19 infections about six months after vaccination, are giving rise to the prospect of the need for boosters. Some countries are even requiring travellers to have been vaccinated within a maximum number of days before travel. Read here.  

This has caused despondency in some quarters, especially in the travel and tourism industry which has been decimated by the virus.  It has led some to ask: “Will we ever be safe from this virus?”

But there is a different and more hope-filled narrative from immunologists, who say that “waning immunity” is just a temporary blip on the radar, as we head toward better, longer immunity. Read here.