Kaidar EK, Turgambayeva AK, Zhussupov BS, Serik BS, Zhanaliyeva MK. Secondary attack rate of the COVID-19: General characteristics of confirmed and probable cases. Int. J. of Health Sci. [Internet]. 2022 Sep. 29 [cited 2026 Apr. 16];6(3):1468-82. Available from: https://www.sciencescholar.us/journal/index.php/ijhs/article/view/13082