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Dominant variant, particularly in the johannesburg pretoria area in south africa. >> research professor glenda gray. the omicron variant is once again highlighting the need for more genomic sequencing. this scientific process identifies covid-19 variants that may be emerging and is a key weapon in containing the spread of the virus. as cnns scott mclean reports, many countries lack the resources to properly conduct this type of research. >> reporter: in the past few months, the philippines has...

And even the public seems to have come to terms with that. >> in talking about the omicron variant, it once again highlights the need for more genomic sequencing. this is the scientific process that identifies covid-19 variants that may be emerging. its like an early warning system. its a key weapon in containing the spread of the virus. but as cnns scott mcclain reports, many countries lack the resources to properly conduct this type of research. >> reporter: in the past few months, the philipp...