Pfizer Takes the Lead in the Race to Develop a COVID-19 Vaccine

The American pharmaceutical company Pfizer reported that its COVID-19 vaccine is highly effective in preventing infection with the novel coronavirus in preliminary studies. In light of rising case numbers across the United States, this is particularly good news. The clinical trial determined that the vaccine was 90% effective in preventing COVID-19 and posed no safety risks to volunteers. The two-dose Pfizer vaccine is based on synthetic messenger RNA (mRNA), a new technology that helps the body’s own immune system identify and then combat the novel coronavirus by copying its surface. Read more here.