NBCNews – The U.S. hit a record 7-day case average of 262,034 cases, eclipsing a record set early in 2021. The U.S., Britain, France, Australia and other countries are shattering records for daily reported coronavirus cases as the highly transmissible omicron variant of the coronavirus has upended hopes of a return to some version of normality in parts of the world. “Right now, delta and omicron are twin threats that are driving up cases to record numbers, which again is leading to spikes in hospitalizations and deaths,” Tedros Adhanom Ghebreyesus, the director-general of the World Health Organization, said at a news conference Wednesday.  “Omicron is moving so quickly,” he said, warning that he feared that the new variant risked causing a “tsunami of cases” that would only further strain health care systems around the world.  Covid, he said, “will continue to evolve and threaten our health system if we don’t improve the collective response.” The WHO marked two years since it was first alerted to an outbreak of an illness in Wuhan, China, that would eventually come to be known as Covid-19…”