Chiara Poletto
@chpoletto.bsky.social
Assoc Prof University of Padova - network epidemiology, network physics, disease ecology, outbreak analysis
https://chiara-poletto.github.io/
https://chiara-poletto.github.io/
Pinned
Chiara Poletto
@chpoletto.bsky.social
· Jan 7
Integrating dynamical modeling and phylogeographic inference to characterize global influenza circulation
Abstract. Global seasonal influenza circulation involves a complex interplay between local (seasonality, demography, host immunity) and global factors (int
academic.oup.com
Out the first of January:
Integrating dynamical modeling and phylogeographic inference to characterize global influenza circulation
academic.oup.com/pnasnexus/ar...
Integrating dynamical modeling and phylogeographic inference to characterize global influenza circulation
academic.oup.com/pnasnexus/ar...
Reposted by Chiara Poletto
Some more evidence against the narrative published today by @ecdc.europa.eu
Preliminary data indicate that the seasonal #vaccines available in EU are providing protection against #influenza A(H3N2) infection, with #VaccineEffectiveness ranging from 52% to 57%
#EpiSky #MedSky #IDSky 🧪🛟
Preliminary data indicate that the seasonal #vaccines available in EU are providing protection against #influenza A(H3N2) infection, with #VaccineEffectiveness ranging from 52% to 57%
#EpiSky #MedSky #IDSky 🧪🛟
December 19, 2025 at 4:20 PM
Some more evidence against the narrative published today by @ecdc.europa.eu
Preliminary data indicate that the seasonal #vaccines available in EU are providing protection against #influenza A(H3N2) infection, with #VaccineEffectiveness ranging from 52% to 57%
#EpiSky #MedSky #IDSky 🧪🛟
Preliminary data indicate that the seasonal #vaccines available in EU are providing protection against #influenza A(H3N2) infection, with #VaccineEffectiveness ranging from 52% to 57%
#EpiSky #MedSky #IDSky 🧪🛟
Reposted by Chiara Poletto
Symposium & workshop on inequalities in infectious disease dynamics at LSHTM in April 2026. We aim to will bring together leading researchers and practitioners to share ideas, discuss recent advances, and reflect on future directions. Details & application: iddconf.org/lshtm-sympos... Closing 21 Jan
Social Inequalities in Infectious Disease Dynamics: a Symposium and Workshop
iddconf.org
December 16, 2025 at 8:58 PM
Symposium & workshop on inequalities in infectious disease dynamics at LSHTM in April 2026. We aim to will bring together leading researchers and practitioners to share ideas, discuss recent advances, and reflect on future directions. Details & application: iddconf.org/lshtm-sympos... Closing 21 Jan
Reposted by Chiara Poletto
Our new issue features a rapid communication on unusally long #inlfuenza seasons in #Australia & New Zealand prolonged by #H3N2 subclade K outbreaks
The source of an #outbreak of Ralstonia mannitolilytica in a hospital in Switzerland: contaminated water sprays
🗞️ bit.ly/EUS3049
#EpiSky #IDSky 🧪🛟⚕️🧫
The source of an #outbreak of Ralstonia mannitolilytica in a hospital in Switzerland: contaminated water sprays
🗞️ bit.ly/EUS3049
#EpiSky #IDSky 🧪🛟⚕️🧫
December 11, 2025 at 10:33 PM
Our new issue features a rapid communication on unusally long #inlfuenza seasons in #Australia & New Zealand prolonged by #H3N2 subclade K outbreaks
The source of an #outbreak of Ralstonia mannitolilytica in a hospital in Switzerland: contaminated water sprays
🗞️ bit.ly/EUS3049
#EpiSky #IDSky 🧪🛟⚕️🧫
The source of an #outbreak of Ralstonia mannitolilytica in a hospital in Switzerland: contaminated water sprays
🗞️ bit.ly/EUS3049
#EpiSky #IDSky 🧪🛟⚕️🧫
Reposted by Chiara Poletto
Very interesting study on respiratory virus transmission in schools!
"Prolonged exposure in shared, poorly ventilated spaces, which potentially includes several infectious sources, drives respiratory virus transmission more than close contact."
www.nature.com/articles/s41...
"Prolonged exposure in shared, poorly ventilated spaces, which potentially includes several infectious sources, drives respiratory virus transmission more than close contact."
www.nature.com/articles/s41...
The relative contribution of close-proximity contacts, shared classroom exposure and indoor air quality to respiratory virus transmission in schools - Nature Communications
The relative importance of close-proximity interactions, shared space and air quality to the transmission of respiratory viruses is not well understood. Here, the authors investigate this question by ...
www.nature.com
December 10, 2025 at 3:50 PM
Very interesting study on respiratory virus transmission in schools!
"Prolonged exposure in shared, poorly ventilated spaces, which potentially includes several infectious sources, drives respiratory virus transmission more than close contact."
www.nature.com/articles/s41...
"Prolonged exposure in shared, poorly ventilated spaces, which potentially includes several infectious sources, drives respiratory virus transmission more than close contact."
www.nature.com/articles/s41...
Reposted by Chiara Poletto
Just a few more days to apply to our 1-week course on Infectious Disease Modelling that will take place at Institut Pasteur, March 9-13 2026, in beautiful Paris! Application deadline: 15 December. www.pasteur.fr/en/education...
Pasteur courses
www.pasteur.fr
December 10, 2025 at 8:54 AM
Just a few more days to apply to our 1-week course on Infectious Disease Modelling that will take place at Institut Pasteur, March 9-13 2026, in beautiful Paris! Application deadline: 15 December. www.pasteur.fr/en/education...
Reposted by Chiara Poletto
Kind reminder (the ominous kind 👀):
Apply NOW to the Call for Projects to become a Complexity72h tutor in London. NOW.
You’ve been warned.
Apply NOW to the Call for Projects to become a Complexity72h tutor in London. NOW.
You’ve been warned.
🥁 🥁 🥁 CALL FOR PROJECTS 🥁 🥁 🥁
We’re thrilled to announce that the call for tutors for Complexity72h 2026 in London is OPEN! 🚀
When & where: Northeastern University London · 22–26 June 2026
Big and bold idea? Submit your project at www.complexity72h.com/projects/ by Dec 22!
We’re thrilled to announce that the call for tutors for Complexity72h 2026 in London is OPEN! 🚀
When & where: Northeastern University London · 22–26 June 2026
Big and bold idea? Submit your project at www.complexity72h.com/projects/ by Dec 22!
two minions wearing goggles and overalls are waving their hands in the air .
ALT: two minions wearing goggles and overalls are waving their hands in the air .
media.tenor.com
December 9, 2025 at 3:54 PM
Kind reminder (the ominous kind 👀):
Apply NOW to the Call for Projects to become a Complexity72h tutor in London. NOW.
You’ve been warned.
Apply NOW to the Call for Projects to become a Complexity72h tutor in London. NOW.
You’ve been warned.
Wonderful workshop! Thanks to the organisers for putting this together
Great second day at the #EPICONTACTS2025 workshop — engaging talks at the interface of contact matrices, epidemiology, behavioral data, and network science.
This initiative is part of FRAME, the French Research Action on Modeling Epidemics supported by
@anrs-mie.bsky.social
This initiative is part of FRAME, the French Research Action on Modeling Epidemics supported by
@anrs-mie.bsky.social
International Workshop on Social Contacts for Epidemic Modeling
Paris, Dec 8-9, 2025
epicontacts2025.weebly.com
Dec 8: Training session on contact data for ID modeling.
Dec 9: Workshop on methodological advances in the field, featuring a strong lineup of invited speakers.
@anrs-mie.bsky.social
Paris, Dec 8-9, 2025
epicontacts2025.weebly.com
Dec 8: Training session on contact data for ID modeling.
Dec 9: Workshop on methodological advances in the field, featuring a strong lineup of invited speakers.
@anrs-mie.bsky.social
December 9, 2025 at 2:26 PM
Wonderful workshop! Thanks to the organisers for putting this together
Reposted by Chiara Poletto
A recombinant strain of mpox virus has been isolated from a patient in the UK containing fragments of clade I and clade II virus. Recombination occurs when two strains of virus infect a cell. These events tend to be rare but are well described in poxviruses.
www.theguardian.com/world/2025/d...
www.theguardian.com/world/2025/d...
England health officials identify newly evolved variant of mpox
Virus caught by person who travelled to Asia combines more severe form of mpox with less virulent type
www.theguardian.com
December 8, 2025 at 5:47 PM
A recombinant strain of mpox virus has been isolated from a patient in the UK containing fragments of clade I and clade II virus. Recombination occurs when two strains of virus infect a cell. These events tend to be rare but are well described in poxviruses.
www.theguardian.com/world/2025/d...
www.theguardian.com/world/2025/d...
Reposted by Chiara Poletto
Two cases of Middle Eastern Respiratory Syndrome (MERS), a dangerous viral infection, detected in France in travellers from the Arabian Peninsula.
Another reminder that our world is deeply interconnected & vigilance for imported infections is essential.
tinyurl.com/4mdhwfdz
Another reminder that our world is deeply interconnected & vigilance for imported infections is essential.
tinyurl.com/4mdhwfdz
December 4, 2025 at 4:35 PM
Two cases of Middle Eastern Respiratory Syndrome (MERS), a dangerous viral infection, detected in France in travellers from the Arabian Peninsula.
Another reminder that our world is deeply interconnected & vigilance for imported infections is essential.
tinyurl.com/4mdhwfdz
Another reminder that our world is deeply interconnected & vigilance for imported infections is essential.
tinyurl.com/4mdhwfdz
Reposted by Chiara Poletto
PhD call alert!
Interested in #Complexity #Cognition #AlgorithmicBias or #PublicHealth?
Want to join our ERC-funded @erc.europa.eu, SPAC Lisbon team @spac.bsky.social?
We only need:
CV + short motivation letter + contact of 2 refs
EOE
Apply by Dec 20, more info: lip.pt/files/rhuman...
Please Share!
Interested in #Complexity #Cognition #AlgorithmicBias or #PublicHealth?
Want to join our ERC-funded @erc.europa.eu, SPAC Lisbon team @spac.bsky.social?
We only need:
CV + short motivation letter + contact of 2 refs
EOE
Apply by Dec 20, more info: lip.pt/files/rhuman...
Please Share!
December 3, 2025 at 2:17 PM
PhD call alert!
Interested in #Complexity #Cognition #AlgorithmicBias or #PublicHealth?
Want to join our ERC-funded @erc.europa.eu, SPAC Lisbon team @spac.bsky.social?
We only need:
CV + short motivation letter + contact of 2 refs
EOE
Apply by Dec 20, more info: lip.pt/files/rhuman...
Please Share!
Interested in #Complexity #Cognition #AlgorithmicBias or #PublicHealth?
Want to join our ERC-funded @erc.europa.eu, SPAC Lisbon team @spac.bsky.social?
We only need:
CV + short motivation letter + contact of 2 refs
EOE
Apply by Dec 20, more info: lip.pt/files/rhuman...
Please Share!
Wish I could be at #Epidemics10 this year. Thanks to all who are live-posting. Your updates are making me feel connected!
December 2, 2025 at 7:22 AM
Wish I could be at #Epidemics10 this year. Thanks to all who are live-posting. Your updates are making me feel connected!
Reposted by Chiara Poletto
Submission link for the Italian Conference on Computational Social Science is LIVE!
We welcome abstract submissions on #computerscience #netsci #complexsystems #sociology #economics #politics #cognitivesci #psychology and more
Deadline: Jan 15
cs2italy.org
We welcome abstract submissions on #computerscience #netsci #complexsystems #sociology #economics #politics #cognitivesci #psychology and more
Deadline: Jan 15
cs2italy.org
November 28, 2025 at 10:05 AM
Submission link for the Italian Conference on Computational Social Science is LIVE!
We welcome abstract submissions on #computerscience #netsci #complexsystems #sociology #economics #politics #cognitivesci #psychology and more
Deadline: Jan 15
cs2italy.org
We welcome abstract submissions on #computerscience #netsci #complexsystems #sociology #economics #politics #cognitivesci #psychology and more
Deadline: Jan 15
cs2italy.org
Reposted by Chiara Poletto
The "Crossroads in Epi Modelling" workshop organised by the Health Emergencies Analytics Lab, happening now in @bocconi.bsky.social!
November 27, 2025 at 10:26 AM
The "Crossroads in Epi Modelling" workshop organised by the Health Emergencies Analytics Lab, happening now in @bocconi.bsky.social!
Late advertisement of our new pre-print:
Contact structure and population immunity shape the selective advantage of emerging variants www.medrxiv.org/content/10.1...
Contact structure and population immunity shape the selective advantage of emerging variants www.medrxiv.org/content/10.1...
November 27, 2025 at 10:15 AM
Late advertisement of our new pre-print:
Contact structure and population immunity shape the selective advantage of emerging variants www.medrxiv.org/content/10.1...
Contact structure and population immunity shape the selective advantage of emerging variants www.medrxiv.org/content/10.1...
Reposted by Chiara Poletto
Urban contact patterns shape respiratory syncytial virus epidemics with implications for vaccination | Science Advances www.science.org/doi/10.1126/...
Urban contact patterns shape respiratory syncytial virus epidemics with implications for vaccination
The age structure and intensity of RSV outbreaks differ across urban and rural locations.
www.science.org
November 27, 2025 at 8:32 AM
Urban contact patterns shape respiratory syncytial virus epidemics with implications for vaccination | Science Advances www.science.org/doi/10.1126/...
Reposted by Chiara Poletto
Fascinating story about evidence that #H5N1 #birdflu infected vampire bats in South America, raising the prospect of a potential new & dangerous host for the virus. Some good news: The virus didn't appear to spread well among the bats. By @martinenserink.bsky.social. www.science.org/content/arti...
Vampire bats may have contracted H5N1 bird flu in Peru, raising worries about further spread
Bats could form a bridge between marine and terrestrial mammals, scientists say
www.science.org
November 26, 2025 at 4:32 PM
Fascinating story about evidence that #H5N1 #birdflu infected vampire bats in South America, raising the prospect of a potential new & dangerous host for the virus. Some good news: The virus didn't appear to spread well among the bats. By @martinenserink.bsky.social. www.science.org/content/arti...
Reposted by Chiara Poletto
🌍 We are excited to announce that we are introducing a reduced registration fee for participants from developing countries.
🚨 Last days to send your contribution – submit by Nov 30, 2025 (sharp deadline)!
🚨 Last days to send your contribution – submit by Nov 30, 2025 (sharp deadline)!
November 26, 2025 at 10:56 AM
🌍 We are excited to announce that we are introducing a reduced registration fee for participants from developing countries.
🚨 Last days to send your contribution – submit by Nov 30, 2025 (sharp deadline)!
🚨 Last days to send your contribution – submit by Nov 30, 2025 (sharp deadline)!
Reposted by Chiara Poletto
We’ve just released Epistorm-Mix, a new open dataset on how people in the U.S. mix across ages and settings in the post-COVID era.
📊 Contact-level data + contact matrices
Built for epidemic modeling & forecasting
Fully open data & code
🔗 www.epistorm.org/data/epistor...
📊 Contact-level data + contact matrices
Built for epidemic modeling & forecasting
Fully open data & code
🔗 www.epistorm.org/data/epistor...
Epistorm-Mix: Mapping Social Contact Patterns in the Post-Pandemic United States
Epistorm-Mix provides individual-level contact data and contacts patterns characterization relevant for the spread of respiratory infectious diseases within the US population.
www.epistorm.org
November 25, 2025 at 3:11 PM
We’ve just released Epistorm-Mix, a new open dataset on how people in the U.S. mix across ages and settings in the post-COVID era.
📊 Contact-level data + contact matrices
Built for epidemic modeling & forecasting
Fully open data & code
🔗 www.epistorm.org/data/epistor...
📊 Contact-level data + contact matrices
Built for epidemic modeling & forecasting
Fully open data & code
🔗 www.epistorm.org/data/epistor...
Reposted by Chiara Poletto
H3N2 preprint: there are concerns of a severe incoming influenza season due to the drifted H3N2 K clade. We at @psioxford.bsky.social analysed epi data and ran scenario models to see what we could discern about K clade transmission dynamics: zenodo.org/records/1770....
(1/18)
(1/18)
Evaluation of the epidemiological outlook of the influenza A/H3N2 clade K in England during the 2025-26 season
Key findings England is currently experiencing a high growth rate of infections caused by the influenza A/H3N2 K clade. Antigenic change from the previously dominant clade, a rapid selective sweep evi...
zenodo.org
November 25, 2025 at 1:51 PM
H3N2 preprint: there are concerns of a severe incoming influenza season due to the drifted H3N2 K clade. We at @psioxford.bsky.social analysed epi data and ran scenario models to see what we could discern about K clade transmission dynamics: zenodo.org/records/1770....
(1/18)
(1/18)
Reposted by Chiara Poletto
Ready to shape the future of #ComplexSystems science? Propose a Satellite Session for #CCS2026 and put your topic in orbit!🛰️
Methods, tutorials, debates, you name it!
Apply via link or scan the QR on the flyer. Please spread the word and reshare!🔁
📝 bit.ly/3LUgTNc
Methods, tutorials, debates, you name it!
Apply via link or scan the QR on the flyer. Please spread the word and reshare!🔁
📝 bit.ly/3LUgTNc
November 21, 2025 at 6:21 PM
Ready to shape the future of #ComplexSystems science? Propose a Satellite Session for #CCS2026 and put your topic in orbit!🛰️
Methods, tutorials, debates, you name it!
Apply via link or scan the QR on the flyer. Please spread the word and reshare!🔁
📝 bit.ly/3LUgTNc
Methods, tutorials, debates, you name it!
Apply via link or scan the QR on the flyer. Please spread the word and reshare!🔁
📝 bit.ly/3LUgTNc
Reposted by Chiara Poletto
🔈 *Call for Participation* 🔈
Italian Conference on Computational Social Science – CS2Italy
May 19-21, 2026 in Torino, Italy
Premier venue for Computational Social Science in Italy: #sociology #polisci #economics #netsci #complexsystems ++
Submit your abstract by Jan 15: cs2italy.org
plz reshare
Italian Conference on Computational Social Science – CS2Italy
May 19-21, 2026 in Torino, Italy
Premier venue for Computational Social Science in Italy: #sociology #polisci #economics #netsci #complexsystems ++
Submit your abstract by Jan 15: cs2italy.org
plz reshare
November 18, 2025 at 9:30 AM
🔈 *Call for Participation* 🔈
Italian Conference on Computational Social Science – CS2Italy
May 19-21, 2026 in Torino, Italy
Premier venue for Computational Social Science in Italy: #sociology #polisci #economics #netsci #complexsystems ++
Submit your abstract by Jan 15: cs2italy.org
plz reshare
Italian Conference on Computational Social Science – CS2Italy
May 19-21, 2026 in Torino, Italy
Premier venue for Computational Social Science in Italy: #sociology #polisci #economics #netsci #complexsystems ++
Submit your abstract by Jan 15: cs2italy.org
plz reshare
Reposted by Chiara Poletto
Two days of great scientific discussions with >100 infectious disease modellers during the annual meeting of FRAME (the French Research Action on Modelling Epidemics), supported by @anrs-mie.bsky.social. What a fantastic research community!
November 17, 2025 at 2:59 PM
Two days of great scientific discussions with >100 infectious disease modellers during the annual meeting of FRAME (the French Research Action on Modelling Epidemics), supported by @anrs-mie.bsky.social. What a fantastic research community!
Reposted by Chiara Poletto
Great to see a new FluView post from #CDC today after weeks without updates.
It's not yet flu season in the US, but activity is starting to pick up. www.cdc.gov/fluview/surv...
It's not yet flu season in the US, but activity is starting to pick up. www.cdc.gov/fluview/surv...
Weekly US Influenza Surveillance Report: Key Updates for Week 45, ending November 8, 2025
Seasonal influenza activity is low.
www.cdc.gov
November 14, 2025 at 9:14 PM
Great to see a new FluView post from #CDC today after weeks without updates.
It's not yet flu season in the US, but activity is starting to pick up. www.cdc.gov/fluview/surv...
It's not yet flu season in the US, but activity is starting to pick up. www.cdc.gov/fluview/surv...
Reposted by Chiara Poletto
Update on the wild #polio discovery in Germany: The virus was found in wastewater in Hamburg. @rki.de, the German public health agency, says the virus sequence is very similar to some isolated in Afghanistan, so the likely source was an infected human. (page 10 here: www.rki.de/DE/Aktuelles...)
www.rki.de
November 13, 2025 at 1:04 PM
Update on the wild #polio discovery in Germany: The virus was found in wastewater in Hamburg. @rki.de, the German public health agency, says the virus sequence is very similar to some isolated in Afghanistan, so the likely source was an infected human. (page 10 here: www.rki.de/DE/Aktuelles...)