by Issam AHMED Agence France Presse WASHINGTON, United States (AFP) — US biotech firm Moderna on Monday announced its experimental vaccine against Covid-19 was almost 95 percent effective, a result hailed by the country’s top infectious disease scientist as “stunningly impressive.” Moderna’s early results from a clinical trial with more than 30,000 participants marks a second major breakthrough in the quest to end the pandemic. Last week, American pharmaceutical company Pfizer and its German […]