Covid vaccination and the cold chain --- Covid highlighted the energy-problem very well: the problem with the first approved vaccines for developing countries was the cold chain. This was also at a lesser degree (in the proper sense) true before for nearly all vaccines, and there have been great inventions (I can't find the link right now, but there was a "crisis-proven" solution that for example MSF used).

Source author: Katharina Beyer katharina.beyer@etu.unige.ch