1. The technical hurdle to develop a #COVID19 vaccine is actually not very high
2. It's an "old school" problem in virology to induce high levels of virus neutralizing antibodies and T cell help.
cnn.com/2020/08/11/eur…
3. Many ways to do this, we're pursuing a recombinant protein approach, others mRNA, adenovirus, live virus, inactivated virus, all with varying degree of effectiveness.
4. The hard part is making a vaccine that you know actually works and safe in humans: That takes time
5. So sure, the Russians can make a vaccine, as have many groups. The worry is that they bypassed the essential to QC/QA, clinical testing to ensure its efficacy & safety.
6. That's why anyone who calls this "a race" is basically advertising their science illiteracy