Publications

Emulating target trials of postexposure vaccines using observational data.

Author(s): Boyer C, Lipsitch M|Journal: Am J Epidemiol|PMID: 39270677| September 2024

Postexposure vaccination has the potential to prevent or modify the course of clinical disease among those exposed to a pathogen.…

The Impact of Rapid Drug Susceptibility Tests on Gonorrhea Burden and Lifespan of Antibiotic Treatments: A Modeling Study Among Men Who Have Sex With Men in the United States.

Author(s): Yaesoubi R, Xi Q, Hsu K, Gift TL, St Cyr SB, Rönn MM, Salomon JA, Grad YH|Journal: Am J Epidemiol|PMID: 37625444| January 2024

Rapid point-of-care tests that diagnose gonococcal infections and identify susceptibility to antibiotics enable individualized treatment. This could improve patient outcomes…

Examining bias from differential depletion of susceptibles in vaccine effectiveness estimates in settings of waning.

Author(s): Kahn R, Feikin DR, Wiegand RE, Lipsitch M|Journal: Am J Epidemiol|PMID: 37771045| September 2023

Anticipating Racial/Ethnic Mortality Displacement From COVID-19.

Author(s): Kissler SM, Grad YH|Journal: Am J Epidemiol|PMID: 35452084| April 2022

Identifying and alleviating bias due to differential depletion of susceptible people in post-marketing evaluations of COVID-19 vaccines.

Author(s): Kahn R, Schrag SJ, Verani JR, Lipsitch M|Journal: Am J Epidemiol|PMID: 35081612| January 2022

Recent studies have provided key information about SARS-CoV-2 vaccines' efficacy and effectiveness (VE). One important question that remains is whether…

Snowball Sampling Study Design for Serosurveys Early in Disease Outbreaks.

Author(s): Kennedy-Shaffer L, Qiu X, Hanage WP|Journal: Am J Epidemiol|PMID: 33831177| April 2021

Serological surveys can provide evidence of cases that were not previously detected, depict the spectrum of disease severity, and estimate…

Potential Biases Arising from Epidemic Dynamics in Observational Seroprotection Studies.

Author(s): Kahn R, Kennedy-Shaffer L, Grad YH, Robins JM, Lipsitch M|Journal: Am J Epidemiol|PMID: 32870977| September 2020

The extent and duration of immunity following SARS-CoV-2 infection are critical outstanding questions about the epidemiology of this novel virus,…

Statistical Properties of Stepped Wedge Cluster-Randomized Trials in Infectious Disease Outbreaks.

Author(s): Kennedy-Shaffer L, Lipsitch M|Journal: Am J Epidemiol|PMID: 32648891| July 2020

Randomized controlled trials are crucial for the evaluation of interventions such as vaccinations, but the design and analysis of these…

Accounting for unobserved and differential susceptible time at risk in retrospective studies: response to Dean (2019).

Author(s): Lewnard JA, Tedijanto C, Cowling BJ, Lipsitch M|Journal: Am J Epidemiol|PMID: 30689694| February 2019

Measurement of Vaccine Direct Effects Under the Test-Negative Design.

Author(s): Lewnard JA, Tedijanto C, Cowling BJ, Lipsitch M|Journal: Am J Epidemiol|PMID: 30099505| December 2018

Test-negative designs are commonplace in assessments of influenza vaccination effectiveness, estimating this value from the exposure odds ratio of vaccination…