Gaurav Kwatra, PhD, MPH

Group B Streptococcus vaccine update: A crucial public health initiative for India. Joel, B; Moses, V; Veeraraghavan, B; Santhanam, S; Beck, MM; Dhar, N; Kwatra, G; Sahni, RD. Indian Journal of Medical Microbiology. 2025; 57:100917.

Prevalence of hepatitis B virus infection among pregnant women and cord blood hepatitis B surface antigen positive newborns in sub-Saharan Africa and South Asia. Bokop, C; Dhar, N; Izu, A; Thaver-Kleitman, J; Prabdial-sing, N; Ali, MM; Akaba, G; Barsosio, HC; Berkley, JA; Beck, MM; Tapia, MD; Veeraraghavan, B; Kwatra, G; Madhi, SA. Journal of Clinical Virology. 2025; 179:105826.

The case for a Klebsiella pneumoniae vaccine: A public health priority. Murugan, S; Jacob, JJ; Walia, K; Kwatra, G. Indian Journal of Medical Microbiology. 2025; 56:100909.

Sero-epidemiology of measles immunoglobulin G antibodies among newborns from South-East Asia and sub-Saharan Africa: an observational, multicenter study. Bokop, C; Dhar, N; Izu, A; Ali, MM; Akaba, G; Barsosio, HC; Berkley, JA; Beck, MM; Chaka, TE; Cutland, CL; Tapia, MD; Veeraraghavan, B; Madhi, SA; Kwatra, G. International Journal of Infectious Diseases. 2025; 154:107882.

Association of serum anti-gbs2106 protein immunoglobulin G (IgG) in newborns and risk reduction of invasive group B streptococcus disease during early infancy. Gent, V; Dhar, N; Izu, A; Jones, S; Dangor, Z; Briner, C; Hosken, N; Kwatra, G; Madhi, SA. Vaccine. 2025; 54:127016.

Prenatal SARS-CoV-2 Infection Alters Human Milk-Derived Extracellular Vesicles. Chutipongtanate, S; Kongsomros, S; Cetinkaya, H; Zhang, X; Kuhnell, D; Benefield, D; Haffey, WD; Wyder, MA; Kwatra, G; Conrey, SC; Newburg, DS; Greis, KD; Staat, MA; Morrow, AL. Cells. 2025; 14:284.

Interlaboratory comparison of a multiplex immunoassay that measures human serum IgG antibodies against six-group B streptococcus polysaccharides. Le Doare, K; Gaylord, MA; Anderson, AS; Andrews, N; Baker, CJ; Bolcen, S; Felek, A; Giardina, PC; Grube, CD; Hall, T; Tan, CY; Taylor, S; Kwatra, G; Gorringe, A. Human Vaccines and Immunotherapeutics. 2024; 20:2330138.

T-cell responses to ancestral SARS-CoV-2 and Omicron variant among unvaccinated pregnant and postpartum women living with and without HIV in South Africa. McMahon, WC; Kwatra, G; Izu, A; Jones, SA; Mbele, NJ; Jafta, N; Lala, R; Shalekoff, S; Tiemessen, CT; Madhi, SA; Nunes, MC. Scientific Reports. 2024; 14:20348.

Surface protein distribution in Group B Streptococcus isolates from South Africa and identifying vaccine targets through in silico analysis. Gent, V; Lu, YJ; Lukhele, S; Dhar, N; Dangor, Z; Hosken, N; Malley, R; Madhi, SA; Kwatra, G. Scientific Reports. 2024; 14:22665.

Prevalence of group B Streptococcus colonisation in mother-newborn dyads in low-income and middle-income south Asian and African countries: a prospective, observational study. Kwatra, G; Izu, A; Cutland, C; Akaba, G; Ali, MM; Ahmed, Z; Beck, MM; Barsosio, HC; Berkley, JA; Chaka, TE; Sahni, RD; Tapia, MD; Veeraraghavan, B; Madhi, SA. The Lancet Microbe. 2024; 5:100897.