The inside story of the Pfizer vaccine: ‘a once-in-an-epoch windfall’
辉瑞疫苗的内幕故事：“史无前例的意外之财”

The American company now dominates the market for Covid jabs. But does that give it too much power?
这家美国公司现在主导了新冠疫苗市场。但这会给它太多的权力吗？