Skip to content

Home Search Authors Pakistan News Saved

SciRah

SciRah does not host or store research papers. Results come live from free, official scholarly APIs, and every paper links back to its original source.

Data sources

OpenAlex
Semantic Scholar
Crossref
CORE
arXiv
PubMed

Privacy policy Terms of service

J. Lewnard · SciRah

Researcher profile · Semantic Scholar

J. Lewnard

Share profile

J. Lewnard — researcher profile on SciRah

h-index: 36
Works: 157
Citations: 5,966

Most-cited papers

Clinical outcomes associated with Omicron (B.1.1.529) variant and BA.1/BA.1.1 or BA.2 subvariant infection in southern California
J. Lewnard, V. Hong, M. Patel, R. Kahn +2 more
2022Nature Medicine260 citations Open access
Semantic Scholar
Infectiousness of SARS-CoV-2 breakthrough infections and reinfections during the Omicron wave
Sophia T. Tan, Ada T. Kwan, I. Rodríguez-Barraquer, Benjamin J. Singer +4 more
2022medRxiv213 citations Open access
Semantic Scholar
Effectiveness of Face Mask or Respirator Use in Indoor Public Settings for Prevention of SARS-CoV-2 Infection — California, February–December 2021
K. Andrejko, J. Pry, Jennifer F. Myers, N. Fukui +34 more
2022MMWR. Morbidity and mortality weekly report194 citations Open access
Semantic Scholar
Burden of bacterial antimicrobial resistance in low-income and middle-income countries avertible by existing interventions: an evidence review and modelling analysis.
J. Lewnard, E. Charani, Alec Gleason, L. Hsu +8 more
2024The Lancet176 citations
Semantic Scholar
Estimated Effectiveness of JYNNEOS Vaccine in Preventing Mpox: A Multijurisdictional Case-Control Study — United States, August 19, 2022–March 31, 2023
Alexandra F. Dalton, A. Diallo, A. Chard, Danielle L. Moulia +82 more
2023MMWR. Morbidity and mortality weekly report157 citations Open access
Semantic Scholar
Clinical outcomes among patients infected with Omicron (B.1.1.529) SARS-CoV-2 variant in southern California
J. Lewnard, V. Hong, Manish M. Patel, R. Kahn +2 more
2022medRxiv118 citations Open access
Semantic Scholar
Effectiveness of nirmatrelvir–ritonavir in preventing hospital admissions and deaths in people with COVID-19: a cohort study in a large US health-care system
J. Lewnard, J. Mclaughlin, D. Malden, V. Hong +8 more
2023Lancet. Infectious Diseases (Print)90 citations Open access
Semantic Scholar
Prevention of Neisseria gonorrhoeae with meningococcal B vaccine: a matched cohort study in Southern California.
K. Bruxvoort, J. Lewnard, Lie-Hong H. Chen, Hung-Fu Tseng +3 more
2022Clinical Infectious Diseases88 citations
Semantic Scholar
Ensuring progress on sustainable access to effective antibiotics at the 2024 UN General Assembly: a target-based approach.
M. Mendelson, J. Lewnard, M. Sharland, Aislinn Cook +7 more
2024The Lancet87 citations
Semantic Scholar
Hospitalization and Emergency Department Encounters for COVID-19 After Paxlovid Treatment - California, December 2021-May 2022.
D. Malden, V. Hong, Bruno J. Lewin, B. Ackerson +3 more
2022MMWR. Morbidity and mortality weekly report80 citations Open access
Semantic Scholar
Prevention of Coronavirus Disease 2019 Among Older Adults Receiving Pneumococcal Conjugate Vaccine Suggests Interactions Between Streptococcus pneumoniae and Severe Acute Respiratory Syndrome Coronavirus 2 in the Respiratory Tract
J. Lewnard, K. Bruxvoort, Heidi Fischer, V. Hong +4 more
2021Journal of Infectious Diseases61 citations Open access
Semantic Scholar
Estimated Vaccine Effectiveness for Respiratory Syncytial Virus–Related Lower Respiratory Tract Disease
Sara Y. Tartof, N. Aliabadi, G. Goodwin, J. Slezak +19 more
2024JAMA Network Open52 citations Open access
Semantic Scholar
Global, regional, and national estimates of the impact of a maternal Klebsiella pneumoniae vaccine: A Bayesian modeling analysis
C. K. Kumar, K. Sands, T. Walsh, Seamus O'Brien +5 more
2023PLoS Medicine47 citations Open access
Semantic Scholar
Prevention of Coronavirus Disease 2019 (COVID-19) by mRNA-Based Vaccines Within the General Population of California
K. Andrejko, J. Pry, Jennifer F. Myers, N. Jewell +26 more
2021Clinical Infectious Diseases45 citations Open access
Semantic Scholar
Prevention of antimicrobial prescribing among infants following maternal vaccination against respiratory syncytial virus
J. Lewnard, L. Fries, I. Cho, Janice Chen +1 more
2022Proceedings of the National Academy of Sciences of the United States of America43 citations Open access
Semantic Scholar
All-cause mortality during the COVID-19 pandemic in Chennai, India: an observational study
J. Lewnard, A. Mahmud, T. Narayan, B. Wahl +3 more
2021Lancet. Infectious Diseases (Print)39 citations Open access
Semantic Scholar
SARS-CoV-2 infection and mortality during the first epidemic wave in Madurai, south India: a prospective, active surveillance study
R. Laxminarayan, C. B, V. G, K. V. Arjun Kumar +2 more
2021Lancet. Infectious Diseases (Print)36 citations Open access
Semantic Scholar
Risk Factors Associated With SARS-CoV-2 Infection Among Farmworkers in Monterey County, California
A. Mora, J. Lewnard, K. Kogut, Stephen Rauch +9 more
2021JAMA Network Open34 citations Open access
Semantic Scholar
School closures reduced social mixing of children during COVID-19 with implications for transmission risk and school reopening policies
Jennifer R. Head, K. Andrejko, Qu Cheng, Philip A. Collender +10 more
2021Journal of the Royal Society Interface34 citations Open access
Semantic Scholar
Association of SARS-CoV-2 BA.4/BA.5 Omicron lineages with immune escape and clinical outcome
J. Lewnard, V. Hong, Jeniffer S. Kim, Sally F. Shaw +3 more
2023Nature Communications32 citations Open access
Semantic Scholar
Use of recently vaccinated individuals to detect bias in test-negative case–control studies of COVID-19 vaccine effectiveness
M. Hitchings, J. Lewnard, N. Dean, Albert I. Ko +3 more
2021medRxiv31 citations Open access
Semantic Scholar
Prevalence and Clinical Profile of Severe Acute Respiratory Syndrome Coronavirus 2 Infection among Farmworkers, California, USA, June–November 2020
J. Lewnard, A. Mora, Oguchi H. Nkwocha, K. Kogut +12 more
2021Emerging Infectious Diseases30 citations Open access
Semantic Scholar
Pneumococcal Vaccination in Adults: What Can We Learn From Observational Studies That Evaluated PCV13 and PPV23 Effectiveness in the Same Population?
E. Dunne, C. Cillóniz, C. von Mollendorf, J. Lewnard +5 more
2023Archivos de Bronconeumologia26 citations Open access
Semantic Scholar
Real-world uptake of COVID-19 vaccination among individuals expressing vaccine hesitancy: A registry-linkage study
K. Andrejko, Jennifer F. Myers, N. Fukui, L. Nelson +6 more
2023Vaccine25 citations Open access
Semantic Scholar
Attributed causes of excess mortality during the COVID-19 pandemic in a south Indian city
J. Lewnard, C. B, G. Kang, R. Laxminarayan
2023Nature Communications24 citations Open access
Semantic Scholar
Early evidence of COVID-19 vaccine effectiveness within the general population of California
K. Andrejko, Jake M. Pry, Jennifer F. Myers, Nicholas P. Jewell +5 more
2021medRxiv22 citations Open access
Semantic Scholar
Waning of 2-Dose BNT162b2 and mRNA-1273 Vaccine Effectiveness Against Symptomatic SARS-CoV-2 Infection Accounting for Depletion-of-Susceptibles Bias
K. Andrejko, J. Pry, Jennifer F. Myers, Megha Mehrotra +9 more
2023American Journal of Epidemiology21 citations Open access
Semantic Scholar
Impact of COVID-19 Pandemic on California Farmworkers’ Mental Health and Food Security
A. Mora, J. Lewnard, Stephen Rauch, K. Kogut +3 more
2022Journal of Agromedicine21 citations Open access
Semantic Scholar
Effectiveness of nirmatrelvir-ritonavir against hospital admission: a matched cohort study in a large US healthcare system
J. Lewnard, D. Malden, V. Hong, L. Puzniak +6 more
2022medRxiv20 citations Open access
Semantic Scholar
Immune escape and attenuated severity associated with the SARS-CoV-2 BA.2.86/JN.1 lineage
J. Lewnard, Parag Mahale, D. Malden, V. Hong +6 more
2024Nature Communications19 citations Open access
Semantic Scholar
On the use of the reproduction number for SARS‐CoV‐2: Estimation, misinterpretations and relationships with other ecological measures
N. Jewell, J. Lewnard
2022Journal of the Royal Statistical Society. Series A,14 citations Open access
Semantic Scholar
Health-economic value of vaccination against group A Streptococcus in the United States.
K. Andrejko, L. Whittles, J. Lewnard
2021Clinical Infectious Diseases14 citations
Semantic Scholar
Estimated Vaccine Effectiveness for Respiratory Syncytial Virus–Related Acute Respiratory Illness in Older Adults: Findings From the First Postlicensure Season
S. Tartof, N. Aliabadi, G. Goodwin, J. Slezak +17 more
2025Clinical Infectious Diseases13 citations Open access
Semantic Scholar
Contribution and quality of mathematical modeling evidence in World Health Organization guidelines: A systematic review.
N. C. Lo, K. Andrejko, Poojan Shukla, Tess Baker +3 more
2022Epidemics13 citations Open access
Semantic Scholar
Receipt of COVID-19 and seasonal influenza vaccines in California (USA) during the 2021–2022 influenza season
K. Andrejko, Jennifer F. Myers, J. Openshaw, N. Fukui +7 more
2022medRxiv13 citations Open access
Semantic Scholar
Frequency of bystander exposure to antibiotics for enteropathogenic bacteria among young children in low-resource settings
E. Rogawski McQuade, S. Brennhofer, S. Elwood, T. Mcmurry +12 more
2022Proceedings of the National Academy of Sciences of the United States of America13 citations Open access
Semantic Scholar
Association of upper respiratory Streptococcus pneumoniae colonization with SARS-CoV-2 infection among adults.
A. Parker, N. Jackson, Shevya Awasthi, Hanna Kim +12 more
2022Clinical Infectious Diseases12 citations Open access
Semantic Scholar
Antibiotic use attributable to specific aetiologies of diarrhoea in children under 2 years of age in low-resource settings: a secondary analysis of the MAL-ED birth cohort
S. Brennhofer, J. Platts-Mills, J. Lewnard, Jie Liu +2 more
2022BMJ Open12 citations Open access
Semantic Scholar
Pneumococcal Serotype Distribution and Coverage of Existing and Pipeline Pneumococcal Vaccines
Laura M King, K. Andrejko, Miwako Kobayashi, Wei Xing +10 more
2025Journal of Infectious Diseases11 citations Open access
Semantic Scholar
Predictors of nirmatrelvir–ritonavir receipt among COVID-19 patients in a large US health system
D. Malden, J. M. McLaughlin, V. Hong, J. Lewnard +7 more
2024Scientific Reports11 citations Open access
Semantic Scholar
Outpatient visits and antibiotic use due to higher valency pneumococcal vaccine serotypes.
Laura M. King, K. Andrejko, S. Kabbani, Sara Y. Tartof +4 more
2024Journal of Infectious Diseases11 citations Open access
Semantic Scholar
Increased vaccine sensitivity of an emerging SARS-CoV-2 variant
J. Lewnard, V. Hong, Jeniffer S. Kim, Sally F. Shaw +4 more
2023medRxiv11 citations Open access
Semantic Scholar
Predictors of SARS-CoV-2 infection following high-risk exposure: a test-negative design case-control study
K. Andrejko, J. Pry, Jennifer F. Myers, John Openshaw +12 more
2021medRxiv11 citations Open access
Semantic Scholar
Strength and durability of indirect protection against SARS-CoV-2 infection through vaccine and infection-acquired immunity
Sophia T. Tan, I. Rodríguez-Barraquer, Ada T. Kwan, Seth Blumberg +6 more
2025Nature Communications10 citations Open access
Semantic Scholar
Upper respiratory Streptococcus pneumoniae colonization among working-age adults with prevalent exposure to overcrowding
A. Parker, Nicole Jackson, Shevya Awasthi, Hanna Kim +8 more
2024Microbiology spectrum10 citations Open access
Semantic Scholar
Clinical and Public Health Considerations for HPV Vaccination in Midadulthood: A Narrative Review
Laura M. King, J. Lewnard, L. Niccolai
2023Open Forum Infectious Diseases10 citations Open access
Semantic Scholar
Association of upper respiratory Streptococcus pneumoniae colonization with SARS-CoV-2 infection among adults
A. Parker, Nicole Jackson, Shevya Awasthi, Hanna Kim +12 more
2022medRxiv10 citations Open access
Semantic Scholar
Effect of JYNNEOS vaccination on mpox clinical progression: a case-control study.
Lauren C. Granskog, K. Saadeh, K. Lorenz, J. Quint +7 more
2025Lancet. Infectious Diseases (Print)9 citations Open access
Semantic Scholar
Effectiveness of Pneumococcal Conjugate Vaccination Against Virus-Associated Lower Respiratory Tract Infection Among Adults: A Case-Control Study
J. Lewnard, K. Bruxvoort, V. Hong, L. Grant +4 more
2022Journal of Infectious Diseases9 citations Open access
Semantic Scholar
Health economic burden attributable to novel serotypes in candidate 24- and 31-valent pneumococcal conjugate vaccines
Laura M King, J. Lewnard
2024medRxiv8 citations Open access
Semantic Scholar

Frequent co-authors

Invite them to SciRah by sharing their profile.

V. Hong×13
Invite
V. Hong — researcher profile on SciRah
K. Andrejko×13
Invite
K. Andrejko — researcher profile on SciRah
Sara Y. Tartof×12
Invite
Sara Y. Tartof — researcher profile on SciRah
Jennifer F. Myers×7
Invite
Jennifer F. Myers — researcher profile on SciRah

×7

Invite

Seema Jain — researcher profile on SciRah

Invite

B. Ackerson — researcher profile on SciRah

Invite

J. Pry — researcher profile on SciRah

Jeniffer S. Kim×5

Invite

Jeniffer S. Kim — researcher profile on SciRah

Invite

H. Takhar — researcher profile on SciRah

Invite

B. Gessner — researcher profile on SciRah

R. Laxminarayan×5

Invite

R. Laxminarayan — researcher profile on SciRah

Invite

N. Jewell — researcher profile on SciRah