Understanding the differences between the three approved COVID-19 vaccines in America

Author: Adams, Callie Decade: 2020 Initials: L.G. Page: 11 Photo: Yes Publication: Sonoma State Star Date Published: March 16, 2021 Subject: Three different vaccines have currently been approved against the COVID-19 disease during the pandemic. Over 150 other varieties of the COVID-19 vaccine remain in development. Three have advanced to clinical trials are two mRNA and one viral vector vaccine, from Pfizer-BioNTech, Moderna, and Johnson & Johnson companies. Each vaccine has a different percentage of efficacy against the COVID-19 virus. Pfizer's vaccine has shown to be 95% effective after both doses have been administered. The Modern vaccine is considered to be 94.1% effective against the virus after both doses. The Johnson & Johnson vaccine which has only one dose, is considered to be between 66 to 85% effective against moderate to severe cases. Officials warn that the vaccine trials were conducted at different times and were each limited in their trials.