For some context: a new, more easier transmissable version of the COVID-19 virus is spreading in the UK. It was identified by scientists in the UK using genome sequencing. That 'genomic surveillance' was vital to its detection. This map shows which countries are carrying out 'genomic surveillance' of COVID-19 and it's a worrying small number.
Related BBC article:
Covid: New variant found due to UK's genomic surveillance system