Covid-19: China pushes for QR code based global travel system - BBC News

Covid-19: China pushes for QR code based global travel system  BBC NewsG20 leaders close Riyadh summit with calls for coordinated response to coronavirus pandemic  The Washington PostG20 leaders pledge to distribute Covid vaccines fairly around world  The GuardianG-20 leaders pledge to 'spare no effort' to ensure equitable access to coronavirus vaccines worldwide  CNBCG-20 Summit Opens With Calls For United Response To Pandemic  NPRView Full Cove