COVID-19 is a respiratory disease caused by the SARS-CoV-2 virus.
- Researchers across the globe are working to develop a vaccine.
- Currently, there are 60 candidate vaccines on trial in 41 countries.
- Today, there are 15 candidate vaccines in stage 3 clinical trials.
- So far, 3 vaccines have been approved.
- For general COVID-19 updates visit our live blog.
12/18/2020 11:05 GMT — How do mRNA vaccines work?
Both the Pfizer-BioNtech vaccine and the Moderna vaccine candidate utilize mRNA technology. In a recent article, Medical News Today took a deep dive into the science behind mRNA vaccines. We explain how they differ from other types of vaccines and discuss their stability and safety.
12/18/2020 10:20 GMT — Johnson & Johnson announce phase 3 clinical trial
Johnson & Johnson recently announced a multicountry phase 3 clinical trial of their COVID-19 vaccine candidate. The company have already enrolled around 45,000 participants and, if the vaccine proves safe and effective, they will look for emergency use authorization from the Food and Drug Administration (FDA) in February 2021.
Data from the trial, called ENSEMBLE, could be available by the end of January 2021.
In contrast to the Pfizer-BioNTech and Moderna vaccines, the Johnson & Johnson offering only requires one dose. However, in parallel to ENSEMBLE, the company are running a phase 3 clinical trial called ENSEMBLE 2, which is investigating a two-dose regimen of Janssen.
Source: Medical News Today
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