1.1 billion people in Sub-Saharan Africa
650 million in Latin America
1+ billion in low-income Asian countries,
That's 3 billion people, 9 billion vaccine doses.
As any engineer will tell you, going from zero to 9 billion for a new technology takes time. Our answer?
A recombinant protein COVID 19 vaccine that uses an older technology (yeast fermentation technology similar to that used to make recomb hepatitis B vaccine) that can be scaled now. No limit to what can be produced, simple refrigeration, widespread acceptance, great safety profile