Multimedia Story: Covid variants and the issue with Delta

What are the different Covid variants? Why are we so concerned with the “Delta variant?” Our short video story explains:

What are the different Covid variants? Why are we so concerned with the “Delta variant?”

Our short video story explains:#delta #covid19 #covid #thailand pic.twitter.com/mi6EOr2kRh

— Thai Enquirer (@ThaiEnquirer) June 25, 2021