Saraswathy, A. S., Veetil, B. M. and Jose, R. (2023) “COVID-19 vaccine breakthrough infections among health care workers of a tertiary care center in North Kerala: a descriptive study”, International Journal Of Community Medicine And Public Health, 10(11), pp. 4339–4343. doi: 10.18203/2394-6040.ijcmph20233474.