Hepatitis B vaccine immunity in healthcare workers: Seroprotection and cellular immune signatures of waning response. - Khargekar, Naveen C.; Pujari, Vaishali; Athalye, Shreyasi; Mallik, Aman; Jodhawat, Neha; Shinde, Shailesh; Banerjee, Anindita (Journal of Family Medicine & Primary Care, 2026)