| ORIGINAL ARTICLE |
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| Year : 2023 | Volume
: 15
| Issue : 1 | Page : 70-75 |
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Analysis of severe acute respiratory syndrome coronavirus 2 antibodies response in COVID-19 patients and health-care workers
Yaminy Pradeep Ingale1, Shirish Sahebrao Chandanwale1, Payal Patel1, Rakesh Kumar Rashmi1, Narendra Chindhu Kale2, Tushar Jalindar Kambale1, Vikram Bhausaheb Vikhe3
1 Department of Pathology, Dr. D Y Patil Medical College, Hospital and Research Centre, Dr. D Y Patil Vidyapeeth, Pune, Maharashtra, India
2 Department of Medicine, PCMC's PGI YCMH, Pune, Maharashtra, India
3 Department of Medicine, Dr. D Y Patil Medical College, Hospital and Dr. D Y Patil Vidyapeeth, Pune, Maharashtra, India
Correspondence Address:
Narendra Chindhu Kale
I-302, Dwarka Suncrest Phase 3, Near Kapse Lowns, Rahatani, Pune - 411 017, Maharashtra
India
 Source of Support: None, Conflict of Interest: None
DOI: 10.4103/ajprhc.ajprhc_8_23
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Background: COVID-19 epidemic causes destructive consequences on human beings and on the global economy. Aim: The purpose of this study was to evaluate the severe acute respiratory syndrome coronavirus 2 antibodies response in COVID-19 patients and health-care providers to them in different categories and with respect to age, sex, and symptoms. Materials and Methods: Analysis of immunoglobulin (Ig) G and total COVID antibodies was done by chemiluminescent microparticle immunoassay (CMIA) and IgM antibodies by rapid card test method in 300 cases. Results: Out of 300 cases, asymptomatic were 29%, mild 26.66%, moderate 17.66%, and severe were 28.33%; percentage of males were higher than females in all. The most common age group involved was 30–40 years (20%). The most common symptom was fever (51.33%), followed by cough (38.66%), and the most common comorbidity was hypertension (16.33%). We observed that severe category had a higher percentage of symptoms as well as comorbidities. Out of 300 cases, 56.66% were IgG positive, and 89.6% were total COVID antibody positive. In rapid IgM antibodies, out of 50 cases, 13 were positive. We observed that IgM was positive mainly in severe cases compared to mild cases, while IgG level was lower in severe cases than those of mild cases. In our study, majority of cases (97 cases) are IgG positive approximately in 8–14 days after onset of symptoms. Conclusion: Quantitative analysis of antibodies is a simple, quick, and cheap method and could play major role in diagnosis and prognosis of COVID-19, and also used to pick up silent carriers (asymptomatic patients) who missed in false-negative reverse transcription polymerase chain reaction in such epidemic.
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