This is the 6537th most frequent Chinese word.
新冠
"新冠" means "COVID-19" or "novel coronavirus."
In this sentence, '新冠' refers to 'COVID-19,' emphasizing the context of the ongoing pandemic.
由于新冠疫情，我们需要戴口罩。
Due to the COVID-19 pandemic, we need to wear masks.
Here, '新冠' represents the disease COVID-19, focusing on medical efforts to address it.
医生正在研究新冠治疗方法。
Doctors are researching treatments for COVID-19.
In this usage, '新冠' indicates the association of the disease with the vaccine developed to combat it.