ASSESSMENT OF THE DYNAMICS OF HUMORAL IMMUNITY FORMATION WHEN VACCINATION A GROUP OF CHILDREN WITH THE BNT162B2 VACCINE (Pfizer–BioNTech) AGAINST COVID-19 INFECTION. icmsss [Internet]. 2024 Oct. 16 [cited 2025 Nov. 18];3(10):90-2. Available from: https://econferenceseries.com/index.php/icmsss/article/view/5842