30 Jan 2023 • Published on the 25th of January, 2023 A booster dose of Covishield offers the best immune response*, irrespective of whether the primary doses were of Covishield or Covaxin*, according to a new study conducted in India and published in The Lancet Regional Health Southeast Asia journal. According to the study, even though the homologous and heterologous boosting with Covishield or Covaxin in Covishield or Covaxin primed individuals are immunogenic and safe, boosting with Covishield produced better binding and functional antibodies, irrespective of whether the primary vaccination series used Covishield or Covaxin. Primary SARS-CoV-2 vaccination has been shown to wane with time and provide lower protection from disease with new viral variants, prompting the World Health Organisation (WHO) to recommend the administration of booster doses.

Source: Economic Times | Read full story