THERE is a very real risk of getting a "dual infection" from both Omicron and Delta, a top vaccine boss has warned today. Dr Paul Burton, chief medical officer for Moderna, said: "In the near future these two viruses are going to coexists." "People can harbor both viruses, and that could be possible here. it certainly could be [much worse].” "It give an opportunity for the two viruses could share genes and swap genes over."