A second potential COVID-19 vaccine is raising hopes around the the world. U.S. drugmaker Moderna says trials have shown its vaccine is nearly 95 percent effective against the virus. Last week, Pfizer and Biontech announced similiar results. But many challenges remain. Regulators in the United States and elsewhere still have to approve the new vaccines. Then, there's the question of supply and demand, as well as how to distribute billions of doses globally. And some countries may not even be able to afford them. But could this be the beginning of the end of the fight against the pandemic? Guests: Dr. Annelise Wilder-Smith, Professor of Emerging Infectious Diseases at the London School of Hygiene and Tropical Medicine. Azeddine Ibrahimi, Director of the Biotechnology Lab at Rabat Medical and Pharmacy School, Mohammed the Fifth University. Oksana Pyzik, Lead at University College London's Global Citizenship Programme On Outbreaks Of Infectious Diseases - Subscribe to our channel: aje.io/AJSubscribe - Follow us on Twitter: twitter.com/AJEnglish - Find us on Facebook: www.facebook.com/aljazeera - Check our website: www.aljazeera.com/ #AlJazeeraEnglish #InsideStory #COVID-19 #Coronavirus

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