COVID-19 vaccine is 90 percent effective: Pfizer and BioNTechAnnouncement is a major victory in the fight against a pandemic that has killed more than a million people.
Gold slides amid Pfizer’s hopeful COVID-19 vaccine newsGold fell below $1,900 an ounce in London as Pfizer said a vaccine it’s developing prevents more than 90% of infections.
Everything you need to know about Pfizer’s COVID-19 vaccineReported breakthrough in vaccine race welcomed by scientists and leaders, but experts caution many questions remain.