Medical experts on Monday warned that Nigeria risked travel bans with Canada’s detection of Omicron variant of COVID-19 in two travellers from Nigeria. Virologists, including the Chairman of the Expert Review Committee on COVID-19, Professor Oyewale Tomori, who stated this in separate interviews with The PUNCH, lamented that the variant of the virus in Nigeria was detected in Canada. Tomori berated the Nigeria Centre for Disease Control for its failure to coordinate genomic sequencing of samples of coronavirus obtained from laboratories across the country. He said although there were laboratories, which could do the genomic sequencing of coronavirus in Nigeria,