Huck Chair of Epidemiology; Distinguished Professor of Entomology and Biology; Adjunct Professor in Statistics
Population ecology and population dynamics with particular emphasis on mathematical and computational aspects
Huck Graduate Students
- Center for Infectious Disease Dynamics
- Molecular, Cellular, and Integrative Biosciences
- Ecology Institute
- Microbiome Center
- Center for Mathematical Biology
- Insect Biodiversity Center
Publication TagsInfluenza Population Dynamics Immunity Temperature Infection Vaccines Epidemics Synchrony Human Influenza Disease Outbreaks Humidity Incidence Insects Communicable Diseases Weather Anopheles Geography Coronavirus Insect Whooping Cough Measles Malaria Forest Insects Geographical Variation Insecta
Most Recent Papers
Strategic testing approaches for targeted disease monitoring can be used to inform pandemic decision-making
James D. Nichols, Tiffany L. Bogich, Emily Howerton, Ottar N. Bjørnstad, Rebecca K. Borchering, Matthew Ferrari, Murali Haran, Christopher Jewell, Kim M. Pepin, William J.M. Probert, Juliet R.C. Pulliam, Michael C. Runge, Michael Tildesley, Cecile Viboud, Katriona Shea, 2021, PLoS Biology
Vaccinating children against SARS-CoV-2
Jennie S. Lavine, Ottar Bjornstad, Rustom Antia, 2021, The BMJ
Ottar N. Bjørnstad, Katriona Shea, Martin Krzywinski, Naomi S. Altman, 2021, Nature Methods on p. 321
Immunological characteristics govern the transition of COVID-19 to endemicity
Jennie S. Lavine, Ottar N. Bjornstad, Rustom Antia, 2021, Science
Oviposition response of the biocontrol agent Rhinocyllus conicus to resource distribution in its invasive host, Carduus nutans
Zeynep Sezen, Ottar N. Bjørnstad, Katriona Shea, 2021, Biological Control
Outbreaking forest insect drives phase synchrony among sympatric folivores
Andrew M. Liebhold, Christer Björkman, Alain Roques, Ottar N. Bjørnstad, Maartje J. Klapwijk, 2020, Population Ecology on p. 372-384
The duration of travel impacts the spatial dynamics of infectious diseases
John R. Giles, Elisabeth zu Erbach-Schoenberg, Andrew J. Tatem, Lauren Gardner, Ottar N. Bjørnstad, C. J.E. Metcalf, Amy Wesolowski, 2020, Proceedings of the National Academy of Sciences of the United States of America on p. 22572-22579
Peste des petits ruminants Virus Transmission Scaling and Husbandry Practices That Contribute to Increased Transmission Risk
Catherine M. Herzog, William A. de Glanville, Brian J. Willett, Isabella M. Cattadori, Vivek Kapur, Peter J. Hudson, Joram Buza, Emmanuel S. Swai, Sarah Cleaveland, Ottar N. Bjørnstad, 2020, Viruses
Population serology for SARS-CoV-2 is essential to regional and global preparedness
Huaiyu Tian, Ottar N. Bjornstad, 2020, The Lancet Microbe on p. e94
A competing-risks model explains hierarchical spatial coupling of measles epidemics en route to national elimination
Max S.Y. Lau, Alexander D. Becker, Hannah M. Korevaar, Quentin Caudron, Darren J. Shaw, C. Jessica E. Metcalf, Ottar N. Bjørnstad, Bryan T. Grenfell, 2020, Nature Ecology and Evolution on p. 934-939
An investigation of transmission control measures during the first 50 days of the COVID-19 epidemic in China
Huaiyu Tian, Yonghong Liu, Yidan Li, Chieh Hsi Wu, Bin Chen, Moritz U.G. Kraemer, Bingying Li, Jun Cai, Bo Xu, Qiqi Yang, Ben Wang, Peng Yang, Yujun Cui, Yimeng Song, Pai Zheng, Quanyi Wang, Ottar N. Bjornstad, Ruifu Yang, Bryan T. Grenfell, Oliver G. Pybus, Christopher Dye, 2020, Science on p. 638-642
The effect of temperature on Anopheles mosquito population dynamics and the potential for malaria transmission
Lindsay M. Beck-Johnson, William A. Nelson, Krijn P. Paaijmans, Andrew F. Read, Matthew B. Thomas, Ottar N. Bjørnstad, 2013, PLoS One
Urbanization and humidity shape the intensity of influenza epidemics in U.S. cities
Benjamin D. Dalziel, Stephen Kissler, Julia R. Gog, Cecile Viboud, Ottar N. Bjørnstad, C. Jessica E. Metcalf, Bryan T. Grenfell, 2018, Science on p. 75-79
Natural immune boosting in pertussis dynamics and the potential for long-term vaccine failure
Jennie S. Lavine, Aaron A. King, Ottar N. Bjørnstad, 2011, Proceedings of the National Academy of Sciences of the United States of America on p. 7259-7264
Spatial Transmission of 2009 Pandemic Influenza in the US
Julia R. Gog, Sébastien Ballesteros, Cécile Viboud, Lone Simonsen, Ottar N. Bjornstad, Jeffrey Shaman, Dennis L. Chao, Farid Khan, Bryan T. Grenfell, 2014, PLoS Computational Biology
Recurrent insect outbreaks caused by temperature-driven changes in system stability
William A. Nelson, Ottar N. Bjørnstad, Takehiko Yamanaka, 2013, Science on p. 796-799
The geography of spatial synchrony
Jonathan A. Walter, Lawrence W. Sheppard, Thomas L. Anderson, Jude H. Kastens, Ottar N. Bjørnstad, Andrew M. Liebhold, Daniel C. Reuman, 2017, Ecology Letters on p. 801-814
Human mobility and the spatial transmission of influenza in the United States
Vivek Charu, Scott Zeger, Julia Gog, Ottar N. Bjørnstad, Stephen Kissler, Lone Simonsen, Bryan T. Grenfell, Cécile Viboud, 2017, PLoS Computational Biology
Short-lived immunity against pertussis, age-specific routes of transmission, and the utility of a teenage booster vaccine
Jennie S. Lavine, Ottar N. Bjørnstad, Birgitte Freiesleben de Blasio, Jann Storsaeter, 2012, Vaccine on p. 544-551
Geographical variation in the spatial synchrony of a forest-defoliating insect
Kyle J. Haynes, Ottar N. Bjørnstad, Andrew J. Allstadt, Andrew M. Liebhold, 2013, Proceedings of the Royal Society B: Biological Sciences
News Articles Featuring Ottar Bjornstad
Mar 17, 2021
Ottar Bjørnstad elected to Norwegian Academy of Sciences and Letters
Ottar N. Bjørnstad, distinguished professor of entomology and biology and J. Lloyd & Dorothy Foehr Huck Chair of Epidemiology at Penn State, has been elected to the Norwegian Academy of Sciences and Letters. Bjørnstad was recommended as a result of his significant contributions to the fields of population ecology and quantitative epidemiology.
Mar 09, 2021
Another common cold virus?
If it becomes endemic — circulating in the general population — and most people are exposed in childhood, SARS-CoV-2 may join the ranks of mild cold-causing coronaviruses that currently circulate in humans.
Jan 14, 2021
Coronavirus updates: COVID-19 reduces US life expectancy; Biden introduces spending plan; Pope Francis gets Pfizer vaccine
USA TODAY is keeping track of the news surrounding COVID-19 as a pair of vaccines join the U.S. fight against a virus that has killed nearly 385,000 Americans since the first reported fatality in February.
Apr 24, 2020
Two Great Valley professors awarded seed grants for COVID-19 research
Despite being limited to virtual interactions and meetings, Penn State Great Valley faculty continue to conduct innovative research. Ashkan Negahban, assistant professor of engineering management, and Satish Srinivasan, assistant professor of information science, were awarded seed grants to fund projects to help address the COVID-19 crisis.
Apr 19, 2020
Coronavirus: How CDC Lab Contamination, And A Failure To Cooperate Globally, Led To Catastrophe
By the time the WHO chief made the above remarks, it had been almost two months since the US had identified its first case of COVID-19, the illness caused by novel coronavirus SARS-CoV-2.
Apr 06, 2020
Efforts to control livestock disease should focus on management style, not age
The risk of transmitting the virus PPRV, which produces a highly infectious and often fatal disease in sheep and goats, does not appear to vary significantly by an animal’s age, unlike its sibling virus measles, which is most prominent in children.
Mar 31, 2020
China’s control measures may have prevented 700,000 COVID-19 cases
China’s control measures during the first 50 days of the COVID-19 epidemic may have delayed the spread of the virus to cities outside of Wuhan by several days and, by interrupting transmission nationwide, prevented more than 700,000 infections across the country, according to an international team of researchers.
Jan 09, 2020
The Virus Buried in a 100-Year-Old Lung
Scientists have managed to sequence the genome of a measles virus that infected a 2-year-old girl who died in 1912.
Sep 03, 2019
Livestock disease risk tied to herd management style in Tanzania
A new study provides an updated picture of the prevalence of the sheep and goat plague virus (PPRV), a widespread and often fatal disease that threatens 80 percent of the world’s sheep and goats, in Northern Tanzania.
May 09, 2019
CIDD Workshop Addesses the Construction and Maintenance of Immune Memory in Humans
Members of the Center for Infectious Disease Dynamics and guests covered a wide range of topics in their three-day congregation.