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| Omicron variant (The Omicron variant is a variant of SARS-CoV-2 (B.1.1.529) MichaelBurov); Omicron virus variant (The Omicron variant is a variant of SARS-CoV-2 (B.1.1.529) MichaelBurov); Omicron coronavirus variant (The Omicron variant is a variant of SARS-CoV-2 (B.1.1.529) MichaelBurov) | |||
| штамм омикрон: 4 phrases in 1 subject |
| Ophthalmology | 4 |