Explained: Why Delta Covid variant spreads like wildfire
SARS-CoV-2 Delta variant has rapidly replaced the Alpha variant around the world. According to epidemiological studies, the Delta variant, first identified in India in late 2020, is at least 40 per cent more transmissible than the Alpha variant, first identified in the UK, last year.
However, the mechanism that drives this global replacement has not been defined yet.
The study, yet to be peer-reviewed and posted…