
Covid-19 Surge In Asia: How Dangerous Is JN.1 Variant And Are Existing Vaccines Effective?
Last Updated:May 19, 2025, 10:13 IST JN.1, a variant of Omicron BA.2.86, emerged in late 2023 with 30 immune-evasion mutations. It spreads more efficiently due to additional mutations, says Johns Hopkins University. The prevalent variants at present are LF …