Now there are vaccines for Covid-19, the next step is distribution. But many of the available vaccines need to be kept much colder than the medicine that are normally shipped around the world.

In this episode Money Talks reporter Zhang Shixuan and Timothy Pope look at cold chain - the logistical network used to move goods at low temperatures.

Also in this episode, China exported 224 billion protective face masks last year; and the cities planning to pay people not to travel over the upcoming Lunar New Year holiday.