Tag: vaccine
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Coronavirus pandemic – what have we learned?
Now it has been 5 years since the start of the corona pandemic. The World Health Organization (WHO) declared the COVID-19 pandemic to have begun on March 11, 2020. Prior to this, the WHO had already declared a Public Health Emergency of International Concern (PHEIC) on 30 January 2020, but the actual pandemic status did…
Esa's Notebook 