Altankova, Iskra, Alexander Kukov, Simeon Petkov, Assia Stancheva, Izabela Ivanova, Boriana Georgieva, Emma Keuleyan, and Yordanka Uzunova. 2024. “Immune Responses in Children Infected With Streptoccocus A During the Spring 2023 Epidemic in Bulgaria”. Proceedings of the Bulgarian Academy of Sciences 77 (4). Sofia, Bulgaria:592–601. https://doi.org/10.7546/CRABS.2024.04.15.