The survey was conducted from April 1 to June 15 in the backdrop of "imminent danger of the third wave to the pediatric population," the Municipal Corporation of Greater Mumbai (MCGM) said
The woman, who has been breastfeeding the baby exclusively, received the second dose of the vaccine as per the normal 28-day vaccination protocol timeline.
"The possibility of reinfections could have significant implications for our understanding of Covid-19 immunity, especially in the absence of an effective vaccine."