Dr Charlotte Hammer
@epihammer.bsky.social
Assistant Professor at Cambridge University, Fellow of Downing College. Health security and infectious disease epidemiology with a focus on early detection of emerging & high-consequence infectious diseases.
IDEA Lab
https://hammercc.github.io
IDEA Lab
https://hammercc.github.io
Pinned
Even better, shoe leather epidemiology and academic excellence are not mutually exclusive!
Interactions between #Fieldepi and academia can be mutually extremely enriching. I am a field epidemiologist and an Assistant Professor @cser.bsky.social @cam.ac.uk and fellow @downingcollege.bsky.social.
Interactions between #Fieldepi and academia can be mutually extremely enriching. I am a field epidemiologist and an Assistant Professor @cser.bsky.social @cam.ac.uk and fellow @downingcollege.bsky.social.
Congratulations to the graduating #fieldepi and #publichealth #microbiology fellows of cohort 2023! #EPIET was integral to my career and the network of alumni you are a part of is a wonderful family.
Congratulations to the 2023 graduates of #EPIET, #EUPHEM, #PAE and #MedIPIET fellowships!
Thank you for your dedication, cooperation, and collaboration over the past two years.
Best of luck as you continue your careers in #FieldEpidemiology, #Microbiology & #PublicHealth.
#IdSky #EpiSky
Thank you for your dedication, cooperation, and collaboration over the past two years.
Best of luck as you continue your careers in #FieldEpidemiology, #Microbiology & #PublicHealth.
#IdSky #EpiSky
November 21, 2025 at 6:12 PM
Congratulations to the graduating #fieldepi and #publichealth #microbiology fellows of cohort 2023! #EPIET was integral to my career and the network of alumni you are a part of is a wonderful family.
Reposted by Dr Charlotte Hammer
A wave of ancient plagues 5000 years ago changed everything — our DNA, immunity & societies.
Read the beautifully illustrated story in New Scientist:https://www.newscientist.com/article/2500060-how-a-surge-in-ancient-plagues-5000-years-ago-shaped-humanity/
#AncientDNA #HumanEvolution #OneHealth
Read the beautifully illustrated story in New Scientist:https://www.newscientist.com/article/2500060-how-a-surge-in-ancient-plagues-5000-years-ago-shaped-humanity/
#AncientDNA #HumanEvolution #OneHealth
How a surge in ancient plagues 5000 years ago shaped humanity
Plague, leprosy, smallpox and other diseases didn't jump from animals to humans when we thought. Ancient DNA is revealing where they come from and how they changed history
www.newscientist.com
November 3, 2025 at 5:59 AM
A wave of ancient plagues 5000 years ago changed everything — our DNA, immunity & societies.
Read the beautifully illustrated story in New Scientist:https://www.newscientist.com/article/2500060-how-a-surge-in-ancient-plagues-5000-years-ago-shaped-humanity/
#AncientDNA #HumanEvolution #OneHealth
Read the beautifully illustrated story in New Scientist:https://www.newscientist.com/article/2500060-how-a-surge-in-ancient-plagues-5000-years-ago-shaped-humanity/
#AncientDNA #HumanEvolution #OneHealth
Reposted by Dr Charlotte Hammer
Climate change poses multiple challenges to our health. Our new article coauthored with @kathelse.bsky.social considers the rise in infections and pollution combines with the impact of climate change on our immune system and what we need to do to better understand this 🧪 🧵#EcoImmunology
The role of ecoimmunology in tackling the emerging threats of climate change and the exposome
Nature Immunology - Climate change creates a multitude of challenges over the human life-course, influencing our exposomes and shaping immune function — requiring researchers to consider...
www.nature.com
November 14, 2025 at 4:01 PM
Climate change poses multiple challenges to our health. Our new article coauthored with @kathelse.bsky.social considers the rise in infections and pollution combines with the impact of climate change on our immune system and what we need to do to better understand this 🧪 🧵#EcoImmunology
Reposted by Dr Charlotte Hammer
Pandemics aren’t random. They’re part of a changing, interconnected world.
Join Prof John Drake as he explores how global change drives the rise of new infectious diseases.
📅 18 November 2025, 17:00–18:00 (GMT)
📍 Oxford Martin School & Online
🔗Register here: https://f.mtr.cool/eqloivjuyc
Join Prof John Drake as he explores how global change drives the rise of new infectious diseases.
📅 18 November 2025, 17:00–18:00 (GMT)
📍 Oxford Martin School & Online
🔗Register here: https://f.mtr.cool/eqloivjuyc
October 31, 2025 at 1:31 PM
Pandemics aren’t random. They’re part of a changing, interconnected world.
Join Prof John Drake as he explores how global change drives the rise of new infectious diseases.
📅 18 November 2025, 17:00–18:00 (GMT)
📍 Oxford Martin School & Online
🔗Register here: https://f.mtr.cool/eqloivjuyc
Join Prof John Drake as he explores how global change drives the rise of new infectious diseases.
📅 18 November 2025, 17:00–18:00 (GMT)
📍 Oxford Martin School & Online
🔗Register here: https://f.mtr.cool/eqloivjuyc
Reposted by Dr Charlotte Hammer
Earlier this month, we welcomed the inaugural cohort of MPhil students in Global Risk and Resilience!
We look forward to supporting them as they begin an exciting year exploring the governance and mitigation of global catastrophic risks 🌍
We look forward to supporting them as they begin an exciting year exploring the governance and mitigation of global catastrophic risks 🌍
October 24, 2025 at 11:17 AM
Earlier this month, we welcomed the inaugural cohort of MPhil students in Global Risk and Resilience!
We look forward to supporting them as they begin an exciting year exploring the governance and mitigation of global catastrophic risks 🌍
We look forward to supporting them as they begin an exciting year exploring the governance and mitigation of global catastrophic risks 🌍
It is incredibly exciting to have our first cohort of MPhil students starting this month. After what feels like an age of planning and admissions, we got to finally meet them on Wednesday, and what a fantastic group they are 🎉
Today, we’re welcoming the very first cohort of students joining our MPhil in Global Risk and Resilience!
October 10, 2025 at 6:05 AM
It is incredibly exciting to have our first cohort of MPhil students starting this month. After what feels like an age of planning and admissions, we got to finally meet them on Wednesday, and what a fantastic group they are 🎉
Reposted by Dr Charlotte Hammer
🦠 New #Ebola outbreak declared in Kasai (DRC): 35 cases, 16 deaths so far.
Rapid response by @WHO, @UNICEF & partners underway.
A stark reminder of the need for strong #biosafety, #research infrastructures & preparedness.
#GlobalHealth #ERINHA
Read more:
https://thelancet.pulse.ly/gnmixfglz9
Rapid response by @WHO, @UNICEF & partners underway.
A stark reminder of the need for strong #biosafety, #research infrastructures & preparedness.
#GlobalHealth #ERINHA
Read more:
https://thelancet.pulse.ly/gnmixfglz9
October 8, 2025 at 4:59 AM
🦠 New #Ebola outbreak declared in Kasai (DRC): 35 cases, 16 deaths so far.
Rapid response by @WHO, @UNICEF & partners underway.
A stark reminder of the need for strong #biosafety, #research infrastructures & preparedness.
#GlobalHealth #ERINHA
Read more:
https://thelancet.pulse.ly/gnmixfglz9
Rapid response by @WHO, @UNICEF & partners underway.
A stark reminder of the need for strong #biosafety, #research infrastructures & preparedness.
#GlobalHealth #ERINHA
Read more:
https://thelancet.pulse.ly/gnmixfglz9
Reposted by Dr Charlotte Hammer
We’re looking forward to welcoming the very first cohort of our MPhil in Global Risk and Resilience next week!
Ahead of the start of term, we’d like to reintroduce our education team.
Find out more about the MPhil here: www.cser.ac.uk/education/mp...
🧵
Ahead of the start of term, we’d like to reintroduce our education team.
Find out more about the MPhil here: www.cser.ac.uk/education/mp...
🧵
MPhil in Global Risk and Resilience - CSER
www.cser.ac.uk
October 2, 2025 at 3:16 PM
We’re looking forward to welcoming the very first cohort of our MPhil in Global Risk and Resilience next week!
Ahead of the start of term, we’d like to reintroduce our education team.
Find out more about the MPhil here: www.cser.ac.uk/education/mp...
🧵
Ahead of the start of term, we’d like to reintroduce our education team.
Find out more about the MPhil here: www.cser.ac.uk/education/mp...
🧵
Reposted by Dr Charlotte Hammer
Happy to share that I am starting a new position as Assistant Teaching Professor and Course Director of the MPhil in Translational Medical Research in @MedCambridge 🎉. Applications open on friday so do share in your networks www.med.cam.ac.uk/study/mphil-translational-medical-research
MPhil in Translational Medical Research | Department of Medicine
Tailored for the next generation of scientists and practitioners in Translational Medicine.
www.med.cam.ac.uk
September 8, 2025 at 10:23 AM
Happy to share that I am starting a new position as Assistant Teaching Professor and Course Director of the MPhil in Translational Medical Research in @MedCambridge 🎉. Applications open on friday so do share in your networks www.med.cam.ac.uk/study/mphil-translational-medical-research
Reposted by Dr Charlotte Hammer
More details on #Ebola outbreak in DRC:
Index case was a pregnant woman (in third trimester), who came to Bulape General Reference Hospital on 20 August with fever, bleeding, bloody diarrhea. She died on August 25.
Then two health care workers, who first had contact with her, developed symptoms...
Index case was a pregnant woman (in third trimester), who came to Bulape General Reference Hospital on 20 August with fever, bleeding, bloody diarrhea. She died on August 25.
Then two health care workers, who first had contact with her, developed symptoms...
September 8, 2025 at 7:50 AM
More details on #Ebola outbreak in DRC:
Index case was a pregnant woman (in third trimester), who came to Bulape General Reference Hospital on 20 August with fever, bleeding, bloody diarrhea. She died on August 25.
Then two health care workers, who first had contact with her, developed symptoms...
Index case was a pregnant woman (in third trimester), who came to Bulape General Reference Hospital on 20 August with fever, bleeding, bloody diarrhea. She died on August 25.
Then two health care workers, who first had contact with her, developed symptoms...
Happy #WorldFieldEpidemiologyDay #WFED2025! Field epi remains one of the most rewarding and challenging (in a good way) careers I can think of.
Field epidemiologists provide the evidence necessary for action, field epidemiology is the backbone of responding to a public health emergency.
Field epidemiologists provide the evidence necessary for action, field epidemiology is the backbone of responding to a public health emergency.
September 7, 2025 at 9:50 AM
Happy #WorldFieldEpidemiologyDay #WFED2025! Field epi remains one of the most rewarding and challenging (in a good way) careers I can think of.
Field epidemiologists provide the evidence necessary for action, field epidemiology is the backbone of responding to a public health emergency.
Field epidemiologists provide the evidence necessary for action, field epidemiology is the backbone of responding to a public health emergency.
Reposted by Dr Charlotte Hammer
Registration and the call for abstract submissions for #GHS2026 are officially open!
Do you have research, insights, or innovative work to share in advancing global health security? Submit your abstract and join us in Malaysia to be part of this vital global conversation.
👉 ghsconf.com
Do you have research, insights, or innovative work to share in advancing global health security? Submit your abstract and join us in Malaysia to be part of this vital global conversation.
👉 ghsconf.com
August 18, 2025 at 6:46 AM
Registration and the call for abstract submissions for #GHS2026 are officially open!
Do you have research, insights, or innovative work to share in advancing global health security? Submit your abstract and join us in Malaysia to be part of this vital global conversation.
👉 ghsconf.com
Do you have research, insights, or innovative work to share in advancing global health security? Submit your abstract and join us in Malaysia to be part of this vital global conversation.
👉 ghsconf.com
Reposted by Dr Charlotte Hammer
Book launch!
Please join the CSIS Bipartisan Alliance for Health Security on Wednesday, September 10, from 4 to 6 pm EDT for the book launch of "The Big One: How We Must Prepare for Future Deadly Pandemics," the latest from @mtosterholm & Mark Olshaker
www.csis.org/events/...
Please join the CSIS Bipartisan Alliance for Health Security on Wednesday, September 10, from 4 to 6 pm EDT for the book launch of "The Big One: How We Must Prepare for Future Deadly Pandemics," the latest from @mtosterholm & Mark Olshaker
www.csis.org/events/...
September 3, 2025 at 4:47 PM
Book launch!
Please join the CSIS Bipartisan Alliance for Health Security on Wednesday, September 10, from 4 to 6 pm EDT for the book launch of "The Big One: How We Must Prepare for Future Deadly Pandemics," the latest from @mtosterholm & Mark Olshaker
www.csis.org/events/...
Please join the CSIS Bipartisan Alliance for Health Security on Wednesday, September 10, from 4 to 6 pm EDT for the book launch of "The Big One: How We Must Prepare for Future Deadly Pandemics," the latest from @mtosterholm & Mark Olshaker
www.csis.org/events/...
Reposted by Dr Charlotte Hammer
In under 24h following the newly identified outbreak of #Ebola in the DRC, the virus has been isolated, sequenced and the virus sequence data made publicly available.
virological.org/t/the-16th-e...
virological.org/t/the-16th-e...
The 16th Ebola Virus Disease Outbreak in Bulape Health Zone, Kasai, Democratic Republic of the Congo: A new spillover event from an unknown reservoir host
Background The Democratic Republic of the Congo (DRC) is currently facing concurrent outbreaks including mpox, cholera and malaria (1-4). The Ministry of Public Health, DRC has declared the 16th Ebola...
virological.org
September 5, 2025 at 12:09 AM
In under 24h following the newly identified outbreak of #Ebola in the DRC, the virus has been isolated, sequenced and the virus sequence data made publicly available.
virological.org/t/the-16th-e...
virological.org/t/the-16th-e...
Reposted by Dr Charlotte Hammer
Democratic Republic of Congo declares Ebola outbreak in Kasai province with 28 suspected cases and 15 deaths; information on index case provided by DRC's National Institute of Public Health
spr.ly/63324A8ddG
spr.ly/63324A8ddG
September 4, 2025 at 3:48 PM
Democratic Republic of Congo declares Ebola outbreak in Kasai province with 28 suspected cases and 15 deaths; information on index case provided by DRC's National Institute of Public Health
spr.ly/63324A8ddG
spr.ly/63324A8ddG
Reposted by Dr Charlotte Hammer
📣We're working with experts at VISTA (UC Davis) and BEACON (@buceid.bsky.social) to combine their AI and infectious disease knowledge to more accurately rank the viruses that have the potential to cause the next deadly pandemic.
New global collaboration uses experts and AI to spot the next pandemic | CEPI
Combining AI programmes and disease knowledge can help more accurately rank the viruses that have the potential to cause the next pandemic.
cepi.net
September 4, 2025 at 3:18 PM
📣We're working with experts at VISTA (UC Davis) and BEACON (@buceid.bsky.social) to combine their AI and infectious disease knowledge to more accurately rank the viruses that have the potential to cause the next deadly pandemic.
Reposted by Dr Charlotte Hammer
We’re excited to be preparing for the arrival of our new MPhil students this October!🌟
Interested in joining the 2026/27 cohort? Applications will open on 3rd September 2025, learn more about the course here: www.cser.ac.uk/education/mp...
Interested in joining the 2026/27 cohort? Applications will open on 3rd September 2025, learn more about the course here: www.cser.ac.uk/education/mp...
August 27, 2025 at 11:29 AM
We’re excited to be preparing for the arrival of our new MPhil students this October!🌟
Interested in joining the 2026/27 cohort? Applications will open on 3rd September 2025, learn more about the course here: www.cser.ac.uk/education/mp...
Interested in joining the 2026/27 cohort? Applications will open on 3rd September 2025, learn more about the course here: www.cser.ac.uk/education/mp...
Reposted by Dr Charlotte Hammer
Excited to say we’re hiring 😊. We’re looking for a post-doc in ancient pathogen genomics to join our friendly supportive team in London at @ugiatucl.bsky.social. Start date January 2026.
www.ucl.ac.uk/work-at-ucl/...
www.ucl.ac.uk/work-at-ucl/...
UCL – University College London
UCL is consistently ranked as one of the top ten universities in the world (QS World University Rankings 2010-2022) and is No.2 in the UK for research power (Research Excellence Framework 2021).
www.ucl.ac.uk
September 1, 2025 at 10:09 AM
Excited to say we’re hiring 😊. We’re looking for a post-doc in ancient pathogen genomics to join our friendly supportive team in London at @ugiatucl.bsky.social. Start date January 2026.
www.ucl.ac.uk/work-at-ucl/...
www.ucl.ac.uk/work-at-ucl/...
Reposted by Dr Charlotte Hammer
Poster abstract submission for our Scientific Meeting is open until the 29th August. Posters must cover an aspect of emerging threats or pandemic science, and we particularly encourage posters that show cross-collaborative working. Find out more here:
www.thepandemicinstitute.org/news/poster-...
www.thepandemicinstitute.org/news/poster-...
August 4, 2025 at 2:00 PM
Poster abstract submission for our Scientific Meeting is open until the 29th August. Posters must cover an aspect of emerging threats or pandemic science, and we particularly encourage posters that show cross-collaborative working. Find out more here:
www.thepandemicinstitute.org/news/poster-...
www.thepandemicinstitute.org/news/poster-...
Reposted by Dr Charlotte Hammer
📢New job posting!📢
Are you excited by the idea of building global infrastructure to make pathogen sequencing more accessible, interpretable, and equitable? 🧑🏻💻🧬
My group at @swisstph.ch has an opening working with ARTIC2, @pathoplexus.org, & Loculus - read on!
1/5
Are you excited by the idea of building global infrastructure to make pathogen sequencing more accessible, interpretable, and equitable? 🧑🏻💻🧬
My group at @swisstph.ch has an opening working with ARTIC2, @pathoplexus.org, & Loculus - read on!
1/5
July 25, 2025 at 10:44 AM
📢New job posting!📢
Are you excited by the idea of building global infrastructure to make pathogen sequencing more accessible, interpretable, and equitable? 🧑🏻💻🧬
My group at @swisstph.ch has an opening working with ARTIC2, @pathoplexus.org, & Loculus - read on!
1/5
Are you excited by the idea of building global infrastructure to make pathogen sequencing more accessible, interpretable, and equitable? 🧑🏻💻🧬
My group at @swisstph.ch has an opening working with ARTIC2, @pathoplexus.org, & Loculus - read on!
1/5
Reposted by Dr Charlotte Hammer
Two PhD studentships available in real-time infectious disease modelling, jointly with LSHTM, Imperial and UKHSA. January 2026 start + 3.5 years of funding: www.lshtm.ac.uk/study/fees-a...
PhD studentships in real-time infectious disease modelling | LSHTM
The London School of Hygiene & Tropical Medicine (LSHTM), Imperial College London and the UK Health Security Agency (UKHSA) are pleased to invite applications for two PhD studentships in real-time
www.lshtm.ac.uk
July 24, 2025 at 12:33 PM
Two PhD studentships available in real-time infectious disease modelling, jointly with LSHTM, Imperial and UKHSA. January 2026 start + 3.5 years of funding: www.lshtm.ac.uk/study/fees-a...
Reposted by Dr Charlotte Hammer
Registrations for ESCAIDE 2025 are now open! You can register to join us both in person in Warsaw and online on 19-21 November.
We invite the #EpiSky and #MedSky community to join Europe's leading #publichealth conference.
Learn more: www.escaide.eu/en/attendees...
We invite the #EpiSky and #MedSky community to join Europe's leading #publichealth conference.
Learn more: www.escaide.eu/en/attendees...
July 22, 2025 at 7:53 AM
Registrations for ESCAIDE 2025 are now open! You can register to join us both in person in Warsaw and online on 19-21 November.
We invite the #EpiSky and #MedSky community to join Europe's leading #publichealth conference.
Learn more: www.escaide.eu/en/attendees...
We invite the #EpiSky and #MedSky community to join Europe's leading #publichealth conference.
Learn more: www.escaide.eu/en/attendees...
Reposted by Dr Charlotte Hammer
This is really cool but also a cautionary tale about zooanthroponotic transmission at the interface between human and animals. Without surveillance, viruses can hop back and forth and evolve in unpredictable ways
This is quite late but our lab has a preprint out about a SARS-CoV-2 situation we had in mink in Lithuania back in 2021. It's a doozy with re-emergence of extinct lineages, a country-wide test of all mink farms in Lithuania & some interesting dynamics in mink. www.medrxiv.org/content/10.1... 1/5🧵
July 18, 2025 at 7:18 PM
This is really cool but also a cautionary tale about zooanthroponotic transmission at the interface between human and animals. Without surveillance, viruses can hop back and forth and evolve in unpredictable ways