If you've ever had a cholesterol test, you'll know it's the ratio of HDL to LDL that matters.

如果你做过胆固醇测试，你就会知道高密度脂蛋白和低密度脂蛋白的比例很重要。

Not after your last cholesterol test.

从你上次胆固醇检验后就不可以了。

COVID tests will likely be treated similarly to other screening tests, like blood sugar and cholesterol tests.

COVID 测试的处理方式可能与其他筛查测试类似，例如血糖和胆固醇测试。