Emerging Infectious Diseases (Dec 2021)

Limited and Short-Lasting Virus Neutralizing Titers Induced by Inactivated SARS-CoV-2 Vaccine

  • Taweewun Hunsawong,
  • Stefan Fernandez,
  • Rome Buathong,
  • Naretrit Khadthasrima,
  • Kamonthip Rungrojchareonkit,
  • Jindarat Lohachanakul,
  • Rungarun Suthangkornkul,
  • Kedsara Tayong,
  • Angkana T. Huang,
  • Chonticha Klungthong,
  • Piyawan Chinnawirotpisan,
  • Yongyuth Poolpanichupatam,
  • Anthony R. Jones,
  • Eric D. Lombardini,
  • Supaporn Wacharapluesadee,
  • Opass Putcharoen

DOI
https://doi.org/10.3201/eid2712.211772
Journal volume & issue
Vol. 27, no. 12
pp. 3178 – 3180

Abstract

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In vitro determination of severe acute respiratory syndrome coronavirus 2 neutralizing antibodies induced in serum samples from recipients of the CoronaVac vaccine showed a short protection period against the original virus strain and limited protection against variants of concern. These data provide support for vaccine boosters, especially variants of concern circulate.

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