Daily Mail UK
By LUKE ANDREWS HEALTH REPORTER FOR MAILONLINE
PUBLISHED: | UPDATED:
A new super-variant could be created if Omicron and Delta infect someone at the same time, one of Moderna‘s bosses has warned.
Covid infections normally only involve one mutant strain, but in extremely rare cases two can strike at the same time.
If these also infect the same cell, they may be able to swap DNA and combine to make a new version of the virus.
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