Krijn Paaijmans
@vectorologist.bsky.social
Vector ecologist. Mosquito hunter 🦟. Head Innovative Vector Solutions. Assoc prof Arizona State University. Hon prof WITS Research Institute for Malaria. Dutchy in the AZ desert 🌵 All views are my own.
Reposted by Krijn Paaijmans
#ArtificialIntelligence may be fuelling a surge in letters to scientific journals.
A study by Carlos Chaccour and Matthew Rudd finds “prolific debutante” authors likely using #AI to mass-produce submissions.
Learn more in @science.org: 🟠https://f.mtr.cool/natqzgbtau
#Research #Science
A study by Carlos Chaccour and Matthew Rudd finds “prolific debutante” authors likely using #AI to mass-produce submissions.
Learn more in @science.org: 🟠https://f.mtr.cool/natqzgbtau
#Research #Science
November 8, 2025 at 1:30 PM
#ArtificialIntelligence may be fuelling a surge in letters to scientific journals.
A study by Carlos Chaccour and Matthew Rudd finds “prolific debutante” authors likely using #AI to mass-produce submissions.
Learn more in @science.org: 🟠https://f.mtr.cool/natqzgbtau
#Research #Science
A study by Carlos Chaccour and Matthew Rudd finds “prolific debutante” authors likely using #AI to mass-produce submissions.
Learn more in @science.org: 🟠https://f.mtr.cool/natqzgbtau
#Research #Science
Reposted by Krijn Paaijmans
New work with my fantastic colleagues, Viki Brookes and @mozziebites.bsky.social - Landscapes associated with Japanese encephalitis virus in Australia reflect the functional biogeography of waterbirds: dx.doi.org/10.1002/ecs2...
Landscapes associated with Japanese encephalitis virus in Australia reflect the functional biogeography of waterbirds
Japanese encephalitis virus (JEV), a zoonotic, mosquito-borne virus, has broad circulation across the Central Indo-Pacific biogeographical region (CIPBR) and has recently expanded dramatically within...
dx.doi.org
October 20, 2025 at 10:11 AM
New work with my fantastic colleagues, Viki Brookes and @mozziebites.bsky.social - Landscapes associated with Japanese encephalitis virus in Australia reflect the functional biogeography of waterbirds: dx.doi.org/10.1002/ecs2...
Reposted by Krijn Paaijmans
🚨 DWFP Research Funding Alert! Apply for the DOD FY26 Deployed Warfighter Protection Program. Seek innovative research to protect troops from disease vectors. Max $975K. Pre-Application Due: Nov 5, 2025. Learn more on eBRAP: ebrap.org #DODResearch #VectorControl
eBRAP Online Application Submission
eBRAP.org
October 7, 2025 at 8:11 PM
🚨 DWFP Research Funding Alert! Apply for the DOD FY26 Deployed Warfighter Protection Program. Seek innovative research to protect troops from disease vectors. Max $975K. Pre-Application Due: Nov 5, 2025. Learn more on eBRAP: ebrap.org #DODResearch #VectorControl
Reposted by Krijn Paaijmans
Our paper Genomic diversity of the African malaria vector Anopheles funestus was published in Science today! It features inversions, selection in action, museum specimens and putative new ecotypes. doi.org/10.1126/scie...
September 18, 2025 at 6:45 PM
Our paper Genomic diversity of the African malaria vector Anopheles funestus was published in Science today! It features inversions, selection in action, museum specimens and putative new ecotypes. doi.org/10.1126/scie...
Reposted by Krijn Paaijmans
🚨 NEW: Climate change is already causing 30,000 deaths per year - a global annual economic loss of $100-350B USD - but the true damage is probably 10x higher. Out TODAY in Nature Climate Change: the first systematic look at the science of "health impact attribution" 🔓 www.nature.com/articles/s41...
September 17, 2025 at 11:57 AM
🚨 NEW: Climate change is already causing 30,000 deaths per year - a global annual economic loss of $100-350B USD - but the true damage is probably 10x higher. Out TODAY in Nature Climate Change: the first systematic look at the science of "health impact attribution" 🔓 www.nature.com/articles/s41...
Reposted by Krijn Paaijmans
The National Weather Service in Phoenix issued both dust storm and severe thunderstorm warnings as the system pushed into Maricopa County. The weather service warned drivers of near-zero visibility and urged people to "pull aside stay alive." https://cnn.it/45yL3Nt
August 26, 2025 at 6:00 AM
The National Weather Service in Phoenix issued both dust storm and severe thunderstorm warnings as the system pushed into Maricopa County. The weather service warned drivers of near-zero visibility and urged people to "pull aside stay alive." https://cnn.it/45yL3Nt
Reposted by Krijn Paaijmans
I am back with great news. A project by a former undergrad, Liz Wynne, is now out in publication. In it she discovered a mosquito in the genus Culex that lays eggs from the air (like a Toxorhynchites) and exhibits skip oviposition (spreading eggs around). An amazing discovery! 🦟🍾
rdcu.be/eBkFM
rdcu.be/eBkFM
Discovery and description of a novel mode of oviposition in the mosquito genus Culex
Scientific Reports - Discovery and description of a novel mode of oviposition in the mosquito genus Culex
rdcu.be
August 19, 2025 at 2:54 PM
I am back with great news. A project by a former undergrad, Liz Wynne, is now out in publication. In it she discovered a mosquito in the genus Culex that lays eggs from the air (like a Toxorhynchites) and exhibits skip oviposition (spreading eggs around). An amazing discovery! 🦟🍾
rdcu.be/eBkFM
rdcu.be/eBkFM
Reposted by Krijn Paaijmans
🦟🦠 NEW! We looked at every experiment going back to the 1960s, and found that mosquitoes are almost certainly not primary or secondary vectors of Oropouche virus - a common claim in both the scientific literature and public health communication. #EpiSky #IDSky 😷🧪
journals.plos.org/plosntds/art...
journals.plos.org/plosntds/art...
Vector competence for Oropouche virus: A systematic review of pre-2024 experiments
Oropouche virus has recently become an urgent threat to public health in Central and South America. OROV is mainly transmitted by biting midges; however, some public health agencies and scientific sou...
journals.plos.org
April 30, 2025 at 5:59 PM
🦟🦠 NEW! We looked at every experiment going back to the 1960s, and found that mosquitoes are almost certainly not primary or secondary vectors of Oropouche virus - a common claim in both the scientific literature and public health communication. #EpiSky #IDSky 😷🧪
journals.plos.org/plosntds/art...
journals.plos.org/plosntds/art...
Thrilled to have been awarded ASU's Centennial Professorship Award for outstanding leadership and instruction both within and beyond the classroom. I’d like to thank my team and collaborators, Dr. Silvie Huijben and her team, and all (under)graduate award reviewers.
April 30, 2025 at 5:40 PM
Thrilled to have been awarded ASU's Centennial Professorship Award for outstanding leadership and instruction both within and beyond the classroom. I’d like to thank my team and collaborators, Dr. Silvie Huijben and her team, and all (under)graduate award reviewers.
Reposted by Krijn Paaijmans
🧵1/ Introducing ExpBites, a lightweight #rstats 📦 to analyze mosquito biting exposure according to hourly activities and locations of human and #mosquitoes. Built for modeling true expected #bednet efficacy.🦟⛺️
📦 GitHub: buff.ly/tImDQdv
🎚️ Shiny app: buff.ly/t9oMOwv
#malaria #anopheles
📦 GitHub: buff.ly/tImDQdv
🎚️ Shiny app: buff.ly/t9oMOwv
#malaria #anopheles
April 22, 2025 at 10:48 AM
🧵1/ Introducing ExpBites, a lightweight #rstats 📦 to analyze mosquito biting exposure according to hourly activities and locations of human and #mosquitoes. Built for modeling true expected #bednet efficacy.🦟⛺️
📦 GitHub: buff.ly/tImDQdv
🎚️ Shiny app: buff.ly/t9oMOwv
#malaria #anopheles
📦 GitHub: buff.ly/tImDQdv
🎚️ Shiny app: buff.ly/t9oMOwv
#malaria #anopheles
Reposted by Krijn Paaijmans
As we try to understand how climate change impacts malaria @isaacstopard.bsky.social looked how daily temperature fluctuations impact development in mosquitoes. Quite a bit it seems, but still unclear in wild mosies. Lovely data from Antoine Sanou but we need more! www.nature.com/articles/s42...
Modelling the effects of diurnal temperature variation on malaria infection dynamics in mosquitoes - Communications Biology
Mechanistic modelling of the effects of diurnal temperature variation on Plasmodium falciparum sporogony indicates this variation is important in the laboratory, but further validation is required to ...
www.nature.com
April 8, 2025 at 6:28 PM
As we try to understand how climate change impacts malaria @isaacstopard.bsky.social looked how daily temperature fluctuations impact development in mosquitoes. Quite a bit it seems, but still unclear in wild mosies. Lovely data from Antoine Sanou but we need more! www.nature.com/articles/s42...
Reposted by Krijn Paaijmans
Mosquitoes drink nectar (not just blood), but do they prefer nectar from some plants over others? A new research review shows mosquitoes do indeed have nectar preferences, which researchers say can inform placement of attractive targeted sugar baits in mosquito control efforts.
The Sweetest Snack: Research Details Mosquitoes' Nectar Preferences
Mosquitoes drink nectar (not just blood), but do they prefer certain plants? A new research review shows mosquitoes do indeed have nectar preferences.
entomologytoday.org
April 4, 2025 at 6:03 PM
Mosquitoes drink nectar (not just blood), but do they prefer nectar from some plants over others? A new research review shows mosquitoes do indeed have nectar preferences, which researchers say can inform placement of attractive targeted sugar baits in mosquito control efforts.
Reposted by Krijn Paaijmans
PhD position (Karlsruhe, Germany)
Nowcasting and short-term forecasting of infectious diseases
with Johannes Bracher
at @kit.edu
More details: http://iddjobs.org/jobs/2296
Nowcasting and short-term forecasting of infectious diseases
with Johannes Bracher
at @kit.edu
More details: http://iddjobs.org/jobs/2296
April 2, 2025 at 7:09 PM
PhD position (Karlsruhe, Germany)
Nowcasting and short-term forecasting of infectious diseases
with Johannes Bracher
at @kit.edu
More details: http://iddjobs.org/jobs/2296
Nowcasting and short-term forecasting of infectious diseases
with Johannes Bracher
at @kit.edu
More details: http://iddjobs.org/jobs/2296
Reposted by Krijn Paaijmans
PhD position/PostDoc (Cape Town, South Africa)
Research Officer in Infectious Disease Modelling
at University of Cape Town
More details: http://iddjobs.org/jobs/2294
Research Officer in Infectious Disease Modelling
at University of Cape Town
More details: http://iddjobs.org/jobs/2294
April 2, 2025 at 7:19 PM
PhD position/PostDoc (Cape Town, South Africa)
Research Officer in Infectious Disease Modelling
at University of Cape Town
More details: http://iddjobs.org/jobs/2294
Research Officer in Infectious Disease Modelling
at University of Cape Town
More details: http://iddjobs.org/jobs/2294
Reposted by Krijn Paaijmans
Our study ‘The global human impact on biodiversity’ is out in Nature!
Through an unprecedented synthesis (2133 studies!) we show that humans are not only shrinking species numbers—but reshaping entire communities across the planet. 🌍🌐🐟🌿🪲
www.nature.com/articles/s41...
Through an unprecedented synthesis (2133 studies!) we show that humans are not only shrinking species numbers—but reshaping entire communities across the planet. 🌍🌐🐟🌿🪲
www.nature.com/articles/s41...
March 26, 2025 at 4:31 PM
Our study ‘The global human impact on biodiversity’ is out in Nature!
Through an unprecedented synthesis (2133 studies!) we show that humans are not only shrinking species numbers—but reshaping entire communities across the planet. 🌍🌐🐟🌿🪲
www.nature.com/articles/s41...
Through an unprecedented synthesis (2133 studies!) we show that humans are not only shrinking species numbers—but reshaping entire communities across the planet. 🌍🌐🐟🌿🪲
www.nature.com/articles/s41...
Reposted by Krijn Paaijmans
[preprint] Determinants of presence and abundance of the tiger #mosquito Aedes albopictus 🦟 in the city of Montpellier, France
- role of urban veg 🌿
- lagged effects of meteo🌦️
- micro-climate🌡️
🌐🧪
- role of urban veg 🌿
- lagged effects of meteo🌦️
- micro-climate🌡️
🌐🧪
Investigating the role of urban vegetation alongside other environmental variables in shaping Aedes albopictus presence and abundance in Montpellier, France https://www.biorxiv.org/content/10.1101/2025.03.20.644277v1
March 24, 2025 at 9:54 AM
[preprint] Determinants of presence and abundance of the tiger #mosquito Aedes albopictus 🦟 in the city of Montpellier, France
- role of urban veg 🌿
- lagged effects of meteo🌦️
- micro-climate🌡️
🌐🧪
- role of urban veg 🌿
- lagged effects of meteo🌦️
- micro-climate🌡️
🌐🧪
Reposted by Krijn Paaijmans
🦟🧪Our paper on larval competition between Aedes aegypti and Aedes mediovittatus, a Caribbean endemic, is out! In it, we show that the endemic appears to be the superior competitor, and this may explain why Ae. aegypti is restricted to cities on the island. academic.oup.com/jme/article-...
Larval competition between the invasive Aedes aegypti (Diptera: Culicidae) and the Caribbean endemic Aedes mediovittatus (Diptera: Culicidae) from Puerto Rico, USA
Abstract. Competition between mosquito species during the larval phase is a well-established mechanism structuring container mosquito communities, with inv
academic.oup.com
March 20, 2025 at 7:43 PM
🦟🧪Our paper on larval competition between Aedes aegypti and Aedes mediovittatus, a Caribbean endemic, is out! In it, we show that the endemic appears to be the superior competitor, and this may explain why Ae. aegypti is restricted to cities on the island. academic.oup.com/jme/article-...
Reposted by Krijn Paaijmans
A late #MESACorrespondent addition for today and tomorrow's 2nd @womeninmalaria.bsky.social Conference!
📍Spot Akua Obenewaa Yirenkyi Danquah, reporting from Ghana, added to the announcement image below!
Reports added daily here➡️
mesamalaria.org/reports/2nd-...
Stay up-to-date!
📍Spot Akua Obenewaa Yirenkyi Danquah, reporting from Ghana, added to the announcement image below!
Reports added daily here➡️
mesamalaria.org/reports/2nd-...
Stay up-to-date!
March 19, 2025 at 10:55 AM
A late #MESACorrespondent addition for today and tomorrow's 2nd @womeninmalaria.bsky.social Conference!
📍Spot Akua Obenewaa Yirenkyi Danquah, reporting from Ghana, added to the announcement image below!
Reports added daily here➡️
mesamalaria.org/reports/2nd-...
Stay up-to-date!
📍Spot Akua Obenewaa Yirenkyi Danquah, reporting from Ghana, added to the announcement image below!
Reports added daily here➡️
mesamalaria.org/reports/2nd-...
Stay up-to-date!
Reposted by Krijn Paaijmans
Evolutionary genetics studies are often used to predict how species may adapt to climate change. In their recent Review, deMayo & Ragland discuss why these studies are only somewhat useful for predicting how invertebrates will respond to climate change
journals.biologists.com/jeb/article/...
journals.biologists.com/jeb/article/...
March 17, 2025 at 10:29 AM
Evolutionary genetics studies are often used to predict how species may adapt to climate change. In their recent Review, deMayo & Ragland discuss why these studies are only somewhat useful for predicting how invertebrates will respond to climate change
journals.biologists.com/jeb/article/...
journals.biologists.com/jeb/article/...
Reposted by Krijn Paaijmans
Results show ongoing plateau in malaria infection prevalence & case incidence in sub-Saharan Africa, with no consistent improvement since 2015. But malaria deaths continued to decline in sub-Saharan Africa after 2015, except for the COVID-19-impacted yrs of 2020–22
www.thelancet.com/journals/lan...
www.thelancet.com/journals/lan...
Mapping the global prevalence, incidence, and mortality of Plasmodium falciparum and Plasmodium vivax malaria, 2000–22: a spatial and temporal modelling study
The unprecedented investment in malaria control since the early 2000s has averted
an enormous amount of malaria burden. However, case incidence rates in Africa have
flattened, and with a rapidly growi...
www.thelancet.com
March 9, 2025 at 8:36 PM
Results show ongoing plateau in malaria infection prevalence & case incidence in sub-Saharan Africa, with no consistent improvement since 2015. But malaria deaths continued to decline in sub-Saharan Africa after 2015, except for the COVID-19-impacted yrs of 2020–22
www.thelancet.com/journals/lan...
www.thelancet.com/journals/lan...
Reposted by Krijn Paaijmans
We look forward seeing you March 11 for Prof. Mordecai's webinar "More than warming: Climate change is transforming the landscape of vector-borne diseases". Register: www.zoomgov.com/webinar/regi... @mauriciolnogueira.bsky.social @utmbhealth.bsky.social @sbvirologia.bsky.social
March 3, 2025 at 1:05 PM
We look forward seeing you March 11 for Prof. Mordecai's webinar "More than warming: Climate change is transforming the landscape of vector-borne diseases". Register: www.zoomgov.com/webinar/regi... @mauriciolnogueira.bsky.social @utmbhealth.bsky.social @sbvirologia.bsky.social
Reposted by Krijn Paaijmans
I know the job market is tough out there right now, but we are currently hiring at Harris County Mosquito and Vector Control. We have positions open including technicians, entomologists, and even director.
www.governmentjobs.com/careers/harr...
www.governmentjobs.com/careers/harr...
Career Opportunities | Harris County
www.governmentjobs.com
February 27, 2025 at 5:48 PM
I know the job market is tough out there right now, but we are currently hiring at Harris County Mosquito and Vector Control. We have positions open including technicians, entomologists, and even director.
www.governmentjobs.com/careers/harr...
www.governmentjobs.com/careers/harr...
Reposted by Krijn Paaijmans
Doing the unthinkable: The deep cuts to the #CDC's workforce today are expected to decimate the Epidemic Intelligence Service, a program that has trained public health rapid responders for decades.
Envy of the world. Poof!
www.statnews.com/2025/02/14/t...
Envy of the world. Poof!
www.statnews.com/2025/02/14/t...
CDC cuts expected to devastate Epidemic Intelligence Service, a ‘crown jewel’ of public health
Members of the CDC's Epidemic Intelligence Service were warned Friday that many of them were about to be fired
www.statnews.com
February 14, 2025 at 8:30 PM
Doing the unthinkable: The deep cuts to the #CDC's workforce today are expected to decimate the Epidemic Intelligence Service, a program that has trained public health rapid responders for decades.
Envy of the world. Poof!
www.statnews.com/2025/02/14/t...
Envy of the world. Poof!
www.statnews.com/2025/02/14/t...
Reposted by Krijn Paaijmans
They're legendary disease detectives: The CDC's Epidemic Intelligence Service. Very little may be left of it after today, writes @helenbranswell.bsky.social www.statnews.com/2025/02/14/t...
CDC cuts expected to devastate Epidemic Intelligence Service, a ‘crown jewel’ of public health
Members of the CDC's Epidemic Intelligence Service were warned Friday that many of them were about to be fired
www.statnews.com
February 14, 2025 at 9:05 PM
They're legendary disease detectives: The CDC's Epidemic Intelligence Service. Very little may be left of it after today, writes @helenbranswell.bsky.social www.statnews.com/2025/02/14/t...
This includes one of my former graduate students. Sad. I am lost for words.
The abrupt terminations of more than 1,000 employees, including new Epidemic Intelligence Officers, across CDC are deeply disturbing. For more than 70 years, EIS officers have served on America’s front line as its disease detectives, ready at a moment’s notice to respond to emerging outbreaks.
February 14, 2025 at 11:34 PM
This includes one of my former graduate students. Sad. I am lost for words.