As SARS-CoV-2 moves from novel threat to endemic disease, no one knows how it will continue to evolve. The latest is Omicron, a mutation of the virus first identified in a sample taken in South Africa on November 8th. Vaccines to combat sars-cov-2, the virus that causes the disease, have been developed in record time. So far 191 countries have mass-vaccination programmes underway and together they have administered about 8bn jabs as covid-19 pandemic continue to upended the lives of billions of people since it struck the Chinese city of Wuhan in December 2019. Do you thin that tracking has really helped the poor countries ?

