Coronavirus Disease 2019 (COVID-19) Breakthrough Infection and Post-Vaccination Neutralizing Antibodies Among Healthcare Workers in a Referral Hospital in Tokyo: A Case-Control Matching Study.
Shohei YamamotoKenji MaedaKouki MatsudaAkihito TanakaKumi HoriiKaori OkuderaJunko S TakeuchiTetsuya MizoueMaki KonishiMitsuru OzekiHaruhito SugiyamaNobuyoshi AoyanagiHiroaki MitsuyaWataru SugiuraNorio OhmagariPublished in: Clinical infectious diseases : an official publication of the Infectious Diseases Society of America (2022)
Post-vaccination neutralizing antibody titers were not decreased among patients with breakthrough infection relative to their controls under the Delta variant outbreak. The result points to the importance of infection-control measures in the post-vaccination era, irrespective of immunogenicity profile.