Defining Antibody Seroprevalence and Duration of Humoral Responses to SARS-CoV-2 Infection and/or Vaccination in a Greek Community.
Ourania S KotsiouDimitrios PapagiannisEvangelos C FradelosDimitra I SiachpazidouGarifallia PerlepeAngeliki MiziouAthanasios KyritsisGeorgios D VavougiosGeorgios KalantzisKonstantinos I GourgoulianisPublished in: International journal of environmental research and public health (2021)
Antibody responses to SARS-CoV-2 infection were maintained nine months after the pandemic. Vaccination alone had generated an immune response in almost half of the population. Higher antibody titers were found in the case of vaccination in previously infected subjects and especially in those with severe disease leading to hospitalization.