A Pakistani health worker takes a sample to test for COVID-19 during a surge in cases of Omicron in Islamabad, Pakistan, 11 January 2022. In the last 24 hours, 3,785 tests were conducted among contacts of the positive cases and suspects out of which 64 males and 49 females tested positive with the positivity rate of 2.98pc. (Photo by Sohail Shahzad/EPA/EFE)
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