<span style="color: #222222;">Government has said that during the last four months, more than 1,900 Omicron sub-variants have been detected amongst the samples analyzed across the country. <br />''<br />''In a written reply in the Rajya Sabha today, Minister of State for Health Dr Bharati Pravin Pawar said, in light of increasing trajectory of COVID-19 cases noted in China, Singapore, Hong Kong, South Korea, Thailand and Japan, an additional requirement of pre-departure testing and uploading of negative COVID-19 RT-PCR test reports and self-health declaration form on Air Suvidha portal was made mandatory in the past for travellers coming from/transiting via these countries. <br />''<br />''She said, however, based on declining COVID-19 trajectory in these countries, an updated guideline issued on 10th of last month, wherein the additional requirements were dropped. The Minister said, two per cent of the total passengers in all incoming international flights are required to undergo post arrival COVID-19 testing, irrespective of port of departure to monitor positive cases and their variants. <br />''<br />''She said, given the emergence of variants of COVID-19 virus with variable transmissibility and their possible health implications, Indian SARS-CoV-2 Genomics Consortium INSACOG network laboratories conduct whole genome sequencing of samples for detection of mutant variants of the virus. She added that Omicron and its sub-lineages are the dominant SARS-CoV-2 variants in India.</span><br />