This is the 490th most frequent Chinese word.
covid
The Chinese word for "COVID" (新冠, xīnguàn) refers to the novel coronavirus disease (COVID-19).
Here, 'COVID-19' ('新冠病毒') is used as a subject in the sentence, representing the virus causing the pandemic.
新冠病毒自从爆发以来已经影响了全球经济。
COVID-19 has impacted the global economy since its outbreak.
In this sentence, 'COVID-19' ('新冠肺炎') denotes the disease caused by the virus, focusing on its medical implications.
医生们正在研究如何更有效地治疗新冠肺炎。
Doctors are researching how to more effectively treat COVID-19.
Here, 'COVID-19 pandemic' ('新冠大流行') describes the widespread occurrence of the illness, emphasizing its societal impact.