Two of the most promising COVID-19 vaccines need to be refrigerated at sub-zero temperature, so maintaining an environment ranging from -20 C to -70 C will be crucial to transport and deliver millions of doses.

We visit an industrial cold chain facility to find out how it's done, and we ask an expert if Canada is ready.

The cold chain and what transporting ice cream across Canada can tell us about vaccine logistics

The tricks to keeping potential COVID-19 vaccines as cold as ice could be as close as the ice cream aisle at your local supermarket — that is, if your ice cream aisle was at -70 C.

And can't decide whether you should go home for Christmas? We walk you through a five-step process, to help you self-assess the potential risks and rewards.

How to make difficult decisions when you don't have enough (COVID-19) data

The 2020 holiday season comes with a number of unknowns. If you can't decide whether or not you should risk going home for Christmas, we've found an economist who can help. Producer Tracy Fuller speaks with Brown University professor Emily Oster as she walks through her five-step process to help you make difficult decisions by assessing potential risks and rewards.

Plus it's not easy maintaining work that's highly physical during the pandemic. But like other small businesses, sex workers are learning to pivot as well.

From home made videos to sexting services, we find out how sex workers are adapting to the COVID economy.

Sex workers and how they are adapting to the COVID-19 economy

It's not easy maintaining work that's highly physical during the pandemic. But like other small businesses, sex workers in Canada are learning to pivot as well. From homemade videos to sexting services, we find out how sex workers are adapting to the COVID economy.

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A worker at a frozen food logistics company unloads a truck that normally stores goods at -20 C; a sex worker poses in a workspace adjusted for the new COVID-19 reality for her industry in Germany; travellers navigate an Illinois airport as the holiday travel season kicks off in the U.S.

Cold chain logistics, difficult decisions and the changing demands sex workers face from COVID-19

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