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Публикация от 2026-09-10. Идентификатор проверки: sbproofa5a77d83a7. Материал размещён для подтверждения работоспособности доступа.

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Coronavirus disease 2019

COVID-19 is a contagious disease caused by the coronavirus SARS-CoV-2. In January 2020, the disease spread worldwide, resulting in the

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