Yogesh, S., Singh, T., Kashyap, A. and Banerjee, I. 2023. Sudden upsurge of COVID-19 cases in China: A global threat. Journal of Advances in Internal Medicine. 12, 1 (Jul. 2023), 18–20. DOI:https://doi.org/10.3126/jaim.v12i1.56681.