What is Delta Plus AY.4.2? Should we be concerned about new highly mobile COVID-19 variant?

New Delhi, Oct 25: A new mutation of the Delta variant of COVID-19 which was being monitored and assessed in the UK has now been classed as a Variant Under Investigation (VUI) amid concerns of its increased growth rate, with experts

Source: India News, India Breaking News, Latest news headlines in India – Oneindia News