Author

Clarissa Halpern

National Cancer Institute

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

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Microbiology· 1

Signature Assays, Organisms & Methods

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Research Focus:chromatin & epigenetic regulation· 1 Approach:experimental assay· 1 Organism:human· 1 Assay:whole-genome sequencing· 1

Frequent Co-Authors

Adam A. CapoferriiD· 1 shared Carlo SacdalaniD· 1 shared Jason W. RauschiD· 1 shared John M. CoffiniD· 1 shared John W. MellorsiD· 1 shared Lydie TrautmanniD· 1 shared Mary F. KearneyiD· 1 shared Nittaya PhanuphakiD· 1 shared

Activity by Year

2026-2026 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 45 mutual co-author links

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1 shared paperMicrobiology

Adam A. CapoferriORCID

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1 paper

Recent·Most cited

Ultrasensitive single-genome sequencing reveals strong purifying selection in acute HIV-1 infection

Adam A. Capoferri, Valerie F. Boltz, Wei Shao, Clarissa Halpern, Rasmi Thomas, Nittaya Phanuphak, Lydie Trautmann, Sandhya Vasan, Carlo Sacdalan, Somchai Sriplienchan, John W. Mellors, John M. Coffin, Jason W. Rausch, Mary F. Kearney

This study uses ultra-deep single-genome sequencing to show strong purifying selection in early HIV-1 infection, with limited early genetic divergence from founder viruses.

bioRxiv · Aug 26, 2026 · PreprintMicrobiology