VACCINES that can survive extreme heat and cold could help protect millions more children in poor countries. The key is a “stable-liquid” technology, which could also be used to make vaccines against pandemic diseases that could be kept stockpiled for many years.
As much as $300 million a year is spent in poor countries on the “cold chain” – keeping vaccines refrigerated. Despite this, nearly half of all vaccines are spoilt when they get too warm. The developer of the stable-liquid technology, Cambridge Biostability in the UK, says that preventing this waste will enable 10 million more children a year to receive vaccinations at no extra cost.…
