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Nicola P. Klein

Researcher at Kaiser Permanente

Publications -  292
Citations -  10778

Nicola P. Klein is an academic researcher from Kaiser Permanente. The author has contributed to research in topics: Vaccination & Medicine. The author has an hindex of 44, co-authored 234 publications receiving 6652 citations. Previous affiliations of Nicola P. Klein include Marshfield Clinic.

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Changes in Cervical Cytology Results and Human Papillomavirus Types Among Persons Screened for Cervical Cancer, 2007 and 2015-2017.

TL;DR: Prevalence of vaccine-targeted high-risk HPV types 16/18 was dramatically lower in 2015-2017 than 2007 across all cytology result groups while prevalence of other high- risk HPV types was mainly stable, supporting vaccine impact with no evidence of type replacement.
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Vaccine effectiveness against influenza-associated urgent care, emergency department, and hospital encounters during the 2021-2022 season, VISION Network.

TL;DR: In this article , a test-negative case-control analysis among adults ≥18 years of age at three sites within the VISION Network was conducted, and the odds of influenza vaccination ≥14 days before the encounter date between influenza-positive cases (type A) and influenza-negative and SARS-CoV-2-negative controls, applying inverse probability-to-be-vaccinated weights, and adjusting for confounders.
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Hypotonic-hyporesponsive Episodes After Diphtheria, Tetanus and Acellular Pertussis Vaccination.

TL;DR: In this article, the authors conducted a survey for hypotonic hyporesponsive episode (HHE) among infants after doses 1 and 2 of acellular pertussis vaccine and reported a rate of 22.8 per 100,000 doses (95% CI: 11.8-39.9).
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Studying attitudes towards vaccine hesitance and California law SB 277 in online discourse: A dataset and methodology

TL;DR: This article used snowball sampling to collect digital documents following a chain of web links and recommendations, thus illuminating the underlying social, technical, and linguistic structure of online discourse regarding California's SB277, which banned all nonmedical exemptions from school immunization requirements.