Operation Warp Speed is the name of an ambitious programme put in place by the Trump administration to deliver Covid-19 vaccines across the US. Widely touted during the presidential election campaign and officially rolled out in December, it was supposed to have 20 million people vaccinated by January 1 of this year. But by that date, barely 25 percent of the target had been reached. So what happened? Has the operation fall victim to politicisation ? Our Washington correspondents Matthieu Mabin and Fanny Allard report. Subscribe to France 24 now: http://f24.my/youtubeEN FRANCE 24 live news stream: all the latest news 24/7 http://f24.my/YTliveEN Visit our website: http://www.france24.com Subscribe to our YouTube channel: http://f24.my/youtubeEN Like us on Facebook: / france24.english Follow us on Twitter: / france24_en