The desperation for a vaccine is driving countries to try everything and the United States is leading the world in "vaccine nationalism". In March, the Trump administration met with representatives from Curevac - a German biotech company which is developing a vaccine.

US leads in 'vaccine nationalism' as coronavirus engulfs the world

US biotech firm Moderna said today that its vaccine for COVID-19 appeared to generate an immune response similar to the response seen in people who have been infected by the virus and recovered.

COVID-19 vaccine first human trial reflects possibility of creating 'immunity'

As controversy erupted over Sanofi's chief executive Paul Hudson comments that the US would get priority because "it's invested in taking the risk" to develop the coronavirus vaccine, French President Emmanuel Macron's office said it would hold talks with Sanofi executives at the Elysee Palace early next week.

Vaccine global public good, not for market forces: French government on Sanofi CEO's US tilt