Pfizer/BioNTech, Moderna COVID vaccines effective against Delta variant
The mRNA vaccines, such as Moderna and Pfizer/BioNTech, perform well at preventing symptomatic and severe COVID-19 related to B.1.617.2 infection (Delta), a Singapore study has shown. Vaccination leads to a faster decline in viral RNA load and a robust serological response and remains a vital approach in containing the pandemic.