Will Current Vaccines Protect Against Variants?

2) variant is now the most common COVID-19 variant. It is nearly twice as contagious as earlier variants and might cause more severe illness. While research suggests that COVID-19 vaccines are slightly less effective against the variants, the vaccines still appear to provide protection against severe COVID-19.

Do the Pfizer and AstraZeneca vaccines work against Delta variant?

Israeli data on breakthrough infections point to limited protection offered by messenger RNA (mRNA) vaccines; however, a recent study of the Pfizer-BioNTech and AstraZeneca vaccines found the two were largely effective against Delta.

Does vaccine protect against Mu variant?

The good news is vaccines currently protect well against symptomatic infection and severe disease from all variants of the virus so far.

Marcus Vance

Marcus Vance

Cybersecurity & Digital Privacy Researcher

Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.