The race for a coronavirus vaccine has stoked a debate on how much the jabs will cost and who will pay for them, as prices range from $3 to more than $30 a dose and public health advocates including Bill Gates call for a price cap for poor countries.
新型冠狀病毒肺炎（COVID-19，即2019冠狀病毒病）疫苗研發競賽引發了一場關于費用幾何、誰來買單的爭論，單劑疫苗價格從3美元到逾30美元不等，而比爾?蓋茨(Bill Gates)等公共衛生倡導者呼吁為窮國制定價格上限。
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