COVID‑19 Vaccine: From Dream to Reality
Dear Editor, It has been a year since the World Health Organization (WHO) reported the emergence of a new virus in December 2019 following the outbreak of the severe respiratory disease in China. Subsequently, the virus causing the pandemic was called COVID‑19.[1,2] According to a report by the WHO on December 8, 2021, approximately, 2 years after the onset of the COVID‑19 pandemic, the virus has infected more than 266 million people and killed more than 5 million people worldwide.
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