South African studies reveal high levels of natural immunity is the best defense against omicron

(Natural News) Two new studies from South Africa found that the country has a lower hospitalization rate for Wuhan coronavirus (COVID-19) infections caused by the post-vaccine omicron variant. High levels of natural immunity among South Africans stemming from prior COVID-19 infections is likely a contributing factor to this. Since the appearance of the post-vaccine omicron variant,...