Posted in Article WHO says omicron won’t be last Covid variant as global cases surge by 20% in a week 2022-01-19 Leave a Comment on WHO says omicron won’t be last Covid variant as global cases surge by 20% in a week New infections have increased by 20% globally over the past week with nearly 19 million total cases reported, according to the WHO. Source: WHO says omicron won’t be last Covid variant as global cases surge by 20% in a week