Frankfurt (AFP) – Three doses of the Pfizer-BioNTech coronavirus vaccine appear effective against the Omicron variant, a lab test indicated — encouraging news, even as Denmark and Britain announced new restrictions to stem surging caseloads.  In preliminary results published on Wednesday, the US and German companies behind one of the world’s foremost shots to combat Covid-19 said a booster generated around the same level of potent antibodies against Omicron as is seen after a second dose with the initial strain. But they warned that “the Omicron variant is probably not sufficiently neutralise…

Read More