LISBON, Portugal — A study conducted among health care workers in the United Kingdom demonstrated that longer intervals between COVID-19 vaccine doses produced higher antibody levels, researchers reported here.
“We’ve also shown that in those with previous infection, timing between exposure and vaccination plays a critical role in post-vaccination antibody responses,” Ashley D. Otter, PhD, technical lead for SARS-CoV-2 serology at the United Kingdom Health Security Agency, said in a press release.
Otter and colleagues measured antibody levels in blood samples from 5,871