Singapore’s potential Covid-19 vaccine could well be one which can be manufactured, shipped and stored with ease, as the company behind it is working on a version which does not need ultra-cold conditions for it to survive.

Arcturus Therapeutics, a US-based biotechnology company developing a Covid-19 vaccine with the Duke-NUS Medical School here, is looking at a lyophilised or freeze-dried version of its mRNA vaccine that could work well at room temperature, unlike other similar vaccines.