Description of the original text: In 2019, an outbreak of very contagious pneumonia began in Wuhan, China. The disease and the virus causing the disease were named coronavirus disease 2019 (COVID-19) and severe acute respiratory syndrome coronavirus two (SARS-COV-2), respectively.
Change to: In 2019, an outbreak contagious form of pneumonia was named coronavirus disease 2019(COVID-19), and the virus that caused it was named severe acute respiratory syndrome coronavirus two (SARS-COV-2).
The authors and the Publisher regret the error that appeared in their paper.