Pfizer and Moderna apparently ruled out any prospect of sharing their mRNA technology-based vaccines with the vaccine firms in developing countries on grounds that they are far too complex and require more than 100 raw materials.
![](https://wp.greenwatchbd.com/wp-content/uploads/2021/03/Pfizer-vaccine.jpg)
Pfizer and Moderna apparently ruled out any prospect of sharing their mRNA technology-based vaccines with the vaccine firms in developing countries on grounds that they are far too complex and require more than 100 raw materials.