Author

Amrita Kumar

Centers for Disease Control and Prevention

Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.

Biology Disciplines

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Immunology· 1 Microbiology· 1

Signature Assays, Organisms & Methods

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Approach:experimental assay· 2 Research Focus:host-pathogen & immune response· 2 Organism:mouse· 2 Organism:human· 1 Assay:proteomics· 1 Assay:scRNA-seq· 1 Organism:zebrafish· 1

Frequent Co-Authors

Ana Karina Nisperuza VidaliD· 1 shared Calder R. EllsworthiD· 1 shared Chenxiao WangiD· 1 shared Derek A. PociaskiD· 1 shared Hannah A. BullockiD· 1 shared James Stevens· 1 shared Jay K. KollsiD· 1 shared Jefferson Fernandes EvangelistaiD· 1 shared

Activity by Year

2025-2026 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 24 mutual co-author links

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1 shared paperImmunology

Ana Karina Nisperuza VidalORCID

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Author profile →

2 papers

Recent·Most cited

IRF7 deficiency increases disease severity independently of TLR7 recognition in Influenza A infection in mice

Ana Karina Nisperuza Vidal, Chenxiao Wang, Michaela J. Allen, Xiaofeng Ding, Jefferson Fernandes Evangelista, Yilin Chen, M Khatun, Amrita Kumar, Calder R. Ellsworth, Mohammad Islamuddin, Robert V. Blair, Suryaprakash R. Sambhara, Jay K. Kolls, Derek A. Pociask, Xuebin Qin

This study shows that IRF7 deficiency worsens influenza A disease in mice, independent of TLR7, by impairing early interferon responses and adaptive immunity.

bioRxiv · May 26, 2026 · PreprintImmunology

Heterogeneity across mammalian- and avian-origin A(H1N1) influenza viruses influences viral infectivity following incubation with host bacteria from the human respiratory tract

Poulami Basu Thakur, Hannah A. Bullock, James Stevens, Amrita Kumar, Taronna R. Maines, Jessica A. Belser

This study examines how mammalian- and avian-origin A(H1N1) influenza viruses interact with respiratory and gut bacteria, showing differential effects on viral infectivity when exposed to bacterial LPS.

Microbiology Spectrum · Aug 18, 2025Peer-reviewedMicrobiology