World
Results For "covid testing "
![US 'shuns' Covid test for international travellers from June 12](https://media.assettype.com/nationalherald%2F2020-06%2F20a539be-0880-4a78-86fd-449249e65687%2F53980853_403.jpg?rect=0%2C0%2C940%2C529&auto=format%2Ccompress&fmt=webp&w=300)
![Beijing to conduct 3 more rounds of mass Covid testing](https://media.assettype.com/nationalherald%2F2022-05%2F024e8c2e-4cce-47e0-b8cd-e2ffe9000621%2FBeijing_to_conduct_3_more_rounds_of_mass_Covid_testing.jpg?rect=0%2C0%2C400%2C225&auto=format%2Ccompress&fmt=webp&w=300)
World
Beijing to conduct 3 more rounds of mass Covid testing
![Omicron variant does not escape RT-PCR and RAT, Centre tells states as it asks them to ramp up testing](https://media.assettype.com/nationalherald%2F2020-11%2F666efc16-df97-428b-8fff-d468d3804b05%2F55467172_403.jpg?rect=0%2C0%2C940%2C529&auto=format%2Ccompress&fmt=webp&w=300)
Nation
Omicron variant does not escape RT-PCR and RAT, Centre tells states as it asks them to ramp up testing
![Covid-19 virus test results may vary based on time of day: Study](https://media.assettype.com/nationalherald%2F2021-10%2Fc0313375-976b-4c06-bf98-19faa0a2bc7a%2FCovid_19_virus_test_results_may_vary_based_on_time_of_day_Study.jpg?rect=0%2C158%2C1200%2C675&auto=format%2Ccompress&fmt=webp&w=300)
Health
Covid-19 virus test results may vary based on time of day: Study
![Nationwide tally of COVID positive people, death toll may be much higher than official figures](https://media.assettype.com/nationalherald%2F2020-06%2F8d46f825-7cf1-4c13-a289-2a9ed23e48c2%2F3Delhi_Indiia_Death_toll_cro.jpg?rect=101%2C0%2C747%2C420&auto=format%2Ccompress&fmt=webp&w=300)
India
Nationwide tally of COVID positive people, death toll may be much higher than official figures
![To meet testing target, UP doctor gives his sample 15X](https://media.assettype.com/nationalherald%2F2020-08%2F619a5e8d-3d53-473e-9413-824cc2d76c8e%2Fcovid.jpg?rect=0%2C0%2C646%2C363&auto=format%2Ccompress&fmt=webp&w=300)
India