(A) The average (across all 17 CMS) percentage time taken from (i) sample collection to receipt by the COVID-19 IMPACT laboratory (red), (ii) laboratory receipt to sequencing (yellow), (iii) sequencing to reporting of results to sending institution (i.e. Trinidad Public Health Laboratory (TPHL) or Caribbean Public Health Agency (CARPHA) (peach), and (iv) from reporting to sending institution to GISAID database upload (light blue) during three periods i.e. 2020, January 1st to June 30th 2021, and July 1st to December 31st 2021. (B) For each country, the average number of days from sample collection to: (i) receipt by the COVID-19 IMPACT laboratory (red circles); (ii) sequencing (yellow circles); (iii) reporting to sending institution (orange circles); and (iv) upload to the GISAID database (light blue circles). The times are shown for samples collected during three periods; 2020, January 1st to June 30th 2021 and July 1st to December 31st 2021. AIA = Anguilla. ATG = Antigua and Barbuda. BHS = Bahamas. BRB = Barbados. BMU = Bermuda. VGB = British Virgin Islands. CYM = Cayman Islands. DMA = Dominica. GRD = Grenada. GUY = Guyana. JAM = Jamaica. MSR = Montserrat. KNA = Saint Kitts and Nevis. LCA = Saint Lucia. VCT = Saint Vincent and the Grenadines. TTO = Trinidad and Tobago. TCA = Turks and Caicos Islands.