Archived articles

Covid-19 variants

Illustration of a vaccine, mRNA, a virus particle, and erlenmeyer flask
Vaccine platforms
For mRNA vaccines, COVID-19 is just the beginning
Published Feb 15, 2021
Easy to manufacture and update, these new vaccines may be a powerful tool against emerging variants and other infectious diseases
SARS-CoV-2 virus particle
Coronavirus
What you need to know about COVID-19 variants
Published Jan 15, 2021
Is it normal for a virus to mutate? Are the new strains of coronavirus more contagious? Will COVID-19 vaccines still work? Expert immunologist Andy Pekosz weighs in.