Omicron,

Most Covid cases in Tamil Nadu are of BA.4 and BA.5 sub-lineages
Omicron's sub-lineage BA.5 increased to 25% in June across TN: DPH
Omicron sub-lineages BA.2, BA.2.38 cause spike in cases: Sources
Could rise in Covid cases across India be 4th wave, match IIT-K models?
BA.4, BA.5 are quite mild, behaving like other Omicron sub-variants
Steps taken to fill 4,000 vacancies in health sector: Ma Su
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