Two Kiwi expats Stuff spoke with in the United States – one in Texas, the other in Tennessee – had both heard of these Pfizer “meta jokes”. “I definitely can say there has been chatter about Pfizer vs Moderna vs [Johnson and Johnson],” Cameron Horsfall said. “A common joke is that we are inadvertently getting signed up for teams, like some kind of sports rivalry or houses in Harry Potter,” Alexander Gee added. This joke, however, has the potential to damage global vaccination efforts, one vaccinologist says. “Boiling it down to ‘this vaccine is better than the other’ isn’t going to aid our cause,” University of Auckland professor Dr Helen Petousis-Harris told