'Covaxin single-dose to Covid-19 infected equivalent to 2 doses for unaffected'

A singledose of Covaxin provides a similar immunity response in previously Covid19 infected people as those without previous history of Covid19 infection with two doses of vaccine says Indian Council of Medical Researchs latest studyThe ICMR in its recent study has found that the people already infected with Covid19 while taking a dose of Covaxin have the same or increased antibody response as unaffected people taking two doses of CovaxinThe pilot study was undertaken to examine SARSCoV2 specific antibody responses after day 0 baseline before vaccination day 28A2 days postfirst dose month 1 and day 56A2 days postfirst dose month 2 of BBV152 in a group of healthcare professionals as well as frontline workersThe antibody responses of individuals with confirmed prevaccination SARSCoV2 infection were compared with those individuals without prior evidence of infectionThe blood specimens were collected from healthcare professionals and frontline workers who received BBV152 vaccine at vaccination centres in Chennai India during February to May 2021Blood samples were collected before receiving the first dose of BBV152 Prior infection with SARSCoV2 was determined by SARSCoV2 IgG positivity at baseline The study was approved by the Ethics Committee of ICMRNIRTAntibody levels were measured at three time points on the day of vaccination baseline at month one following the first dose and at month two following the first doseThe results were determined via a calibration curve which is an instrument specifically generated by twopoint calibration and a master curve provided via the reagent QR codeAlmost all participants with prior Covid19 infection except two had detectable antibodies at the time of vaccination This study offers evidence in support of public healthoriented and immunologically sustained vaccine strategiesLokesh Sharma Scientist and Media Coordinator ICMR says This is a pilot study If such findings are confirmed in large population studies a single dose of BBV152 vaccine may be recommended to previously confirmed Covid patients so that the naAve individuals could attain the larger benefit of a limited vaccine supplyThis story has been sourced from a third party syndicated feed agencies Midday accepts no responsibility or liability for its dependability trustworthiness reliability and data of the text Midday managementmiddaycom reserves the sole right to alter delete or remove without notice the content in its absolute discretion for any reason whatsoever