When Pakistan reported its first confirmed case of the Omicron variant of Covid-19?
A. 10 December, 2021
B. 13 December, 2021
C. 15 December, 2021
D. 21 December, 2021
A. 10 December, 2021
B. 13 December, 2021
C. 15 December, 2021
D. 21 December, 2021