member with 16 prior arrests out on parole. authority said the suspect was arrested in central park while menacing another man with a knife. u.s. braces for the effect of the omicron variant, scientists in south africa say reinfection s of people who ve already battled covid-19 appeared to be more likely with the new strain. tonight fox news contributor dr. marc siegel talks with cdc director dr. rochelle walensky. south africa has been under a omicron variant spotlight and seen an upsurge in cases with over 11,000 cases over the past stay alone. if most of them mild or moderate so far. but a new study suggests a new case of reinfection with the omicron. emerging, then early data suggesting prior infection may not protect you as well against omicron as it has for prior variance.