November 24, 2021:
South Africa tells Pfizer they don't want more shipments of the vaccine.
November 26, 2021:
WHO says that the Omicron variant was discovered in South Africa on November 24, 2021.
November 26, 2021 onwards:
Many countries rush to ban flights and immigration from South Africa.
Did Pfizer collaborate with the WHO to punish South Africa for refusing more shipments of the vaccine?