US biotech firm Moderna on Monday announced its experimental vaccine against Covid-19 was 94.5 per cent effective, marking a second major breakthrough in the vaccine hunt.
Moderna released early results from a clinical trial with more than 30,000 participants, after US pharmaceutical company Pfizer and its German partner BioNTech last week said their vaccine was 90 per cent effective.
Both vaccine frontrunners are based on a new platform called messenger RNA, which is faster to produce than traditional vaccines and effectively turn human cells into vaccine factories…
