SARS-COV-2 reinfection after previous infection and vaccine breakthrough infection through the second wave of pandemic in India: An observational study - Sachin Dhumal1, Amar Patil2, Ashwini More3 Sujeet Kamtalwar3 Amit Joshi4,Anant Gokarn4 Sumeet Mirgh4, Puneeth Thatikonda2, Prasanth Bhat2, Vedang Murthy1 Preeti Chavan5,Amey Oak6 ,Suvarna Gore6, Atanu Bhattacharjee6, Nikhil Patkar7, Sadhana Kannan8, Nitin Shetty9, Anjali Rawat10, Meera Achrekar10, Bhakti Trivedi11, Siddhartha Laskar1, Pankaj Chaturvedi6, Rajendra Badwe12, Navin Khattry4 and Sudeep Gupta4. Int J Infect Dis. 2022 May; 118: 95–103. Published online 2022 Feb 19. doi: 10.1016/j.ijid.2022.02.037.