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Symptoms range from mild to severe. Most people infected with the virus will experience mild to moderate respiratory. Some people stay unwell far longer with long covid.
4 phases of COVID19 vaccine clinical trials explained
Por lo general, se propaga entre personas que están en contacto directo. Who first learned of this new virus on 31 december 2019, following a report of a cluster of cases of so. Most people recover within a few days.
