Last week (17 March), Public Health England published new findings showing that an estimated 76% of 70 to 84-year-old blood donors had antibodies against Coronavirus by early March.
The study found that the proportion of over 70s with vaccine antibodies started to increase from early January. This is in line with expectations as it takes two to three weeks to produce an antibody response after vaccination.
Conversely, the proportion with antibodies resulting from natural infection started to plateau at the same time, suggesting that the vaccine is preventing older people from getting Coronavirus.
The group with the highest proportion of antibodies after natural infection are the 16 to 29-year-olds, indicating ongoing infection and transmission in younger people.
View details of the latest antibody research.