No, none of those are suspected of being Patient Zero because they aren’t the earliest cases. Just the first to be detected. Nigeria has found Omicron in sample

No, none of those are suspected of being Patient Zero because they aren’t the earliest cases. Just the first to be detected. Nigeria has found Omicron in samples dating back to October, long before the diplomat cases were identified, and analyses that have compared changes to the genome over time against the infection rate show that it likely emerged in late September / early October.