Companies like Moderna and Pfizer are working on mRNA vaccines that allow people to build immunity to viruses like SARS-CoV-2, the coronavirus that causes Covid-19.
These vaccines contain specifically designed mRNA that instructs cells how to make viral proteins.
Find out how mRNA vaccines can trigger immune cells, in this video?
I would like to know what are the off-target effects of these vaccines…?
By Helen Branswell
By Casey Ross
By Helen Branswell and Ed Silverman