There is widespread concern over the emergence of new Covid-19 mutations as infection rates are ticking up globally again, with the highly transmissible Delta variant taking hold - especially among the unvaccinated - and in regions where anti-virus measures have been relaxed.
Ireland is one of the most vaccinated nations in the world with close to 90% of the adult population now having got at least one jab against the coronavirus.
Despite constant public service announcements and messages about the benefits of being inoculated there are still people who are vaccine hesitant if not completely vaccine resistant.