viernes, 17 de mayo de 2024

Pre-vaccine COVID-19: US study reveals hospitalization rate of 5.7% and fatality rate of 1.7%

https://www.news-medical.net/news/20240517/Pre-vaccine-COVID-19-US-study-reveals-hospitalization-rate-of-5725-and-fatality-rate-of-1725.aspx

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