Shah, Jay Narayan, Priscilla Samson, Nabees Man Singh Pradhan, Shreekrishna Maharjan, Ashis Shrestha, Jenifei Shah, Jesifei Shah, and Sarala KC. 2021. “Breakthrough Infection After COVID-19 Vaccination: A Threat for Nepal Due to SARS-CoV-2 Variants Circulating in 2nd Wave Ravaging India”. Journal of Patan Academy of Health Sciences 8 (2):38-48. https://doi.org/10.3126/jpahs.v8i2.37287.