This is likely to have contributed to lower than usual turnaround time for certain testing routes over recent weeks due to a larger number of tests requiring processing.
Mae hyn yn debygol o fod wedi cyfrannu at amser gweithredu is nag arfer ar gyfer rhai llwybrau profi dros yr wythnosau diwethaf oherwydd nifer fwy o brofion y mae angen eu prosesu.