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. 2021 Sep 28;113:58–64. doi: 10.1016/j.ijid.2021.09.060

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© 2021 The Authors

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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Evaluation of the antibody titers with gender

Anti-S1antibody positivity was detected in 55 (96.5%) of 57 women in the vaccinated group and 22 (95.7%) of 23 men. Similarly, 52 (92.9%) of 56 women and 22 (91.7%) of 24 men in the patient group displayed S1 antibody positivity.

Anti-N antibody positivity was detected in 32 (56.1%) of 57 women and 9 (39.1%) of 23 men in the vaccinated group while those values were determined to be 55 (98.2%) of 56 for women and 24 (100%) of 24 men in the patient group. The antibody responses did not differ for gender in the vaccinated and the patient groups (p> 0.05).