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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 cnn's scott mclean reports, many countries lack the resources to properly conduct this type of research. >> reporter: in the past few months, the philippines has seen record covid case numbers. and as officials try to contain the virus on the streets, inside t...

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. it's like an early warning system. it's a key weapon in containing the spread of the virus. but as cnn's scott mcclain reports, many countries lack the resources to properly conduct this type of research. >> reporter: in the past few months, the philippines has seen record covid case numbers. and as officials try to contain the virus on the streets...