Global health experts gathered on Thursday to tackle new coronavirus strains blamed for a fresh surge in infections as countries including Britain and France tightened restrictions to head off a further worsening of the pandemic that has claimed nearly 2 million lives worldwide.The World Health Organization (WHO) emergency committee session came as their colleagues were seeking the origins of the virus on a long-delayed mission to the pandemic ground zero in Wuhan.Almost 2 million of the more…

This post was originally published on South China Morning Post.