London: Two doses of the Pfizer COVID-19 vaccine induce a "very good" antibody response against the SARS-CoV-2 variants, according to a study on 180 health care workers in Finland.
The research, published in the journal Nature Communications on June 28, found that the immune response was as strong against the Alpha variant first identified in the UK, as against the original virus found in Wuhan, China in 2019.
The immune response was somewhat decreased against the Beta variant first found in South Africa, but the vaccine generated neutralising antibodies that give relatively good protection against the variant.
A neutralising antibody is responsible for defending cells from pathogens. The researchers, including those from the University