PHILADELPHIA — In the days since the new omicron variant of the coronavirus was identified, scientists and doctors worldwide have gone into overdrive to research the variant. At the same time, they’ve also had to scramble to do something else: Explain to the public that it’ll take time until they know how much of a threat omicron could pose — and fight the confusion, misconceptions, and misinformation prompted by this latest turn in the pandemic. The emergence of the variant, and its sudden takeover of the news cycle, created a new wave of coronavirus misinformation.