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Peer reviewedOpen accessMonkeypoxSmallpox

Mpox in people with past infection or a complete vaccination course: a global case series

The Lancet Infectious Diseases·

Aniruddha Hazra, Jason Zucker, Elizabeth Bell, John Flores, Leanna Gordon, Oriol Mitjà, Clara Suñer, Adrien Lemaignen, Simon Jamard, Silvia Nozza, Achyuta V Nori, Edgar Pérez-Barragán, Juan Carlos Rodríguez-Aldama, Jose Louis Blanco, Constance Delaugerre, Dan Turner, Irene Fuertes, Viviana Leiro, Sharon L Walmsley, Chloe M Orkin, Catherine Creticos, Patrick Gibbons, Zoha Maakaroun-Vermesse, Cathie Faussat, Lynda Handala, Jeremy Zeggagh, Andrea Alemany, Cristina Galvan, Antonella Castagna, Angelo Roberto Raccagni, Raul Adrián Cruz-Flores, Patricia Fernandez Pardal, Lucila Marchetta

DOI
10.1016/s1473-3099(23)00492-9
PMID
37678309
PMCID
OpenAlex
W4386424765
Study type
Journal article
Publisher
Elsevier BV
Article type
journal-article
Integrity
current

Why this research matters now

Cataloging symptom profiles in previously immune populations aids researchers in understanding how prior exposure modifies disease presentation within affected networks.

01

Structured evidence summary

Research question

The investigation examines clinical manifestations and disease progression among individuals who have previously contracted the virus or finished a full immunization schedule.

Study design

Authors performed a descriptive global case series by compiling retrospective information from partner organizations spanning nine nations.

Population and setting

The cohort comprised gay and bisexual men who have sex with men distributed internationally, specifically filtering for participants with verified prior infection or two-dose vaccination protocols initiated after the 2022 outbreak began.

Main findings

Within the tracked group of thirty-seven cases, individuals relying on natural immunity experienced condensed illness timelines and reduced mucosal symptoms during subsequent exposures. Patients completing vaccination regimens displayed minimal lesion counts, low analgesic dependence, and primarily outpatient care without fatalities. Observational comparisons indicated attenuated clinical severity relative to earlier outbreak records.

Public-health relevance

Cataloging symptom profiles in previously immune populations aids researchers in understanding how prior exposure modifies disease presentation within affected networks.

Important limitations

The analysis relies on a restricted cohort of thirty-seven participants and employs a purely observational framework without comparative control groups. Dependence on standardized reporting templates from external collaborators may introduce variability in data consistency.

GIDS interpretation

This manuscript serves as an academic reference documenting clinical outcomes within a defined immunological subgroup during a specific temporal window. It provides historical context for scholarly discourse on orthopoxvirus behavior rather than indicating ongoing monitoring activities.

02

Related GIDS surveillance

Literature context does not validate, explain, or change a surveillance signal. Exact and contextual relationships are shown separately.

03

Evidence relationships

This article has 8 auditable classifier relationships to diseases, places, topics, and study design.

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