A year has passed since COVID-19 hit the world. About this time last year, when the World Health Organization (WHO) declared a global pandemic of COVID-19, the KOSPI index dropped to the 1400 line. But suddenly, the KOSPI index recovered to 3000.

On March 19 of last year, the KRX healthcare index, composed of major pharmaceutical and bio companies, fell to 2,187.22 and rose to 4,569.86 in one year.

Over the past year, vaccines and treatments have become the most powerful weapons to overcome the unexpected infectious disease crisis. Many domestic pharmaceutical bio companies have announced the development of vaccines and treatments.

After one year of the pandemic, pharmaceu