A paramedic wearing protective gear takes a nose-swab sample to be tested for the coronavirus in Karachi. — Reuters/File KARACHI: Although no case of UK Covid-19 variant has been reported so far this year in Sindh, which is conducting highest number of tests, the World Health Organisation has recommended the provincial health system to increase its testing capacity and also develop the capacity to test Variants of Concern (VoC) including the B.1.1.7, which are being reported in other parts of the country. A WHO delegation led by its country representative in Pakistan Dr Palitha Mahipala Gunarathna and Dr Sara Salman had on Friday attended the meeting of the provincial Covid-19 task force at the Chief Minister’s House in Karachi to review the cocornavirus situation in the province.