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Moritz Kraemer Profile
Moritz Kraemer

@MOUGK

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Assoc. Professor @UniofOxford ; Epidemiology, Statistics, Genomics; he/him. Co-Director: … Co-founder: @globaldothealth

Joined March 2011
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@MOUGK
Moritz Kraemer
2 days
Perspective on the "Impacts of climate change-related human migration on infectious diseases" Now out in @NatureClimate
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@MOUGK
Moritz Kraemer
10 months
Now 261 confirmed cases of #Dengue in Italy of which 49 are locally acquired. New data on where introductions were from included now on the official dashboard:
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@MOUGK
Moritz Kraemer
4 years
Using real-time mobility data and detailed case data we elucidate "The effect of human mobility and control measures on the COVID-19 epidemic in China". Out today in @ScienceMagazine w/ @svscarpino @EvolveDotZoo and many others
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@MOUGK
Moritz Kraemer
4 years
Thanks to our LATAM open COVID-19 data working group we have updated our line list for Latin America. This outbreak has been a success in collaboration!
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@MOUGK
Moritz Kraemer
5 years
Big effort and push for new line list update. Please all acknowledge amazing work of round the clock curators @UniofOxford @Harvard @Tsinghua_Uni @healthmap @IHME_UW @ScientificData
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@MOUGK
Moritz Kraemer
4 years
We made a big push updating detailed line-list entries now including ~2.3 million COVID cases. Great to see increasing momentum for open-data sharing across many countries. Thanks to the team and all the volunteers involved. Data for download here:
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@MOUGK
Moritz Kraemer
2 years
We continue to curate a global open-access database for #monkeypox . A short description of why and how we do that is now published in @TheLancetInfDis . Open-access data here:
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@MOUGK
Moritz Kraemer
4 years
Thanks to all the volunteers from around the world we keep a line list of the current COVID-19 pandemic. A full description of methods used are now published in @ScientificData (thanks also to @alhufton for rapid turnaround). Data:
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@MOUGK
Moritz Kraemer
4 years
Incredibly detailed and sophisticated work by @hsalje @SCauchemez et al. "Estimating the burden of SARS-CoV-2 in France"
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@MOUGK
Moritz Kraemer
2 years
Our team @globaldothealth has now added an automated global monkeypox report, including figures: Data are made available openly: Map: Description:
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@MOUGK
Moritz Kraemer
3 years
"Global Covid surge creates fertile grounds for more dangerous variants"
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@MOUGK
Moritz Kraemer
3 years
We are recruiting a 2-3 year Postdoctoral Fellow in Computational Epidemiology @UniofOxford @OxZooDept to work on exciting questions regarding the importation dynamics of infectious diseases. Please share widely and DM or email for more details:
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@MOUGK
Moritz Kraemer
4 years
Quite some news: "Zika virus infection enhances future risk of severe dengue disease"
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@MOUGK
Moritz Kraemer
4 years
We have added more information to the global B.1.1.7 lineage tracker including travel data from the UK to countries around the world in October 2020 (latest data). See more details here . Will update as new data comes in.
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@EricTopol
Eric Topol
4 years
Countries the B.1.1.7 variant has been found in: UK, Denmark, Singapore, Australia, Netherlands, Sweden, Spain, Switzerland, Lebanon, France, Israel, Italy. Hard to imagine it has not reached US by this time
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@MOUGK
Moritz Kraemer
5 years
Global maps of the past and future spread of the arbovirus vectors Aedes aegypti and Aedes albopictus driven by accelerated climate change, urbanization and human movements out today in @NatureMicrobiol Free to read here: and
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@MOUGK
Moritz Kraemer
4 years
High spatial variability of seroprevalence of SARS-CoV-2 in Spain.
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@MOUGK
Moritz Kraemer
4 months
Very insightful piece by @sciencecohen in @ScienceMagazine News on the ongoing spread of bird flu in the US with specific mention of South-North movements of cattle at this time of year, coinciding with bird movements (see below)?
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@MOUGK
Moritz Kraemer
5 years
We have collected and tabulated epidemiological data from the ongoing nCoV-2019 outbreak. Data in link to download. We will regularly update. Please DM and get in touch if you have any additional information.
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@MOUGK
Moritz Kraemer
5 years
Geo-coded health facility dataset for Africa. Long needed!
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@MOUGK
Moritz Kraemer
4 years
Going on @reddit tomorrow for 'ask me anything (AMA) about COVID data and model(l)ing' together with @svscarpino and coordinated by @theauthsource
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@MOUGK
Moritz Kraemer
3 years
Some countries now reporting cases of B.1.1.529 (Israel, Botswana, SA, HK, maybe Malawi; ). Likely many more countries will be reporting cases soon looking at passenger flight data out of JNB.
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@MOUGK
Moritz Kraemer
2 years
As of 2022-05-19 5pm, we counted 75 suspected and confirmed cases reported across 7 countries. Curious that there are a few with symptom onset date in late April.
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@MOUGK
Moritz Kraemer
2 years
Outbreaks of #monkeypox continue to grow rapidly across many countries. US catching up fast with reports now in 34 states. Total number of cases confirmed at ~13,000 from only 11, 100 days ago.
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@MOUGK
Moritz Kraemer
7 months
COVID-19 pandemic re-shaped the global dispersal of seasonal influenza viruses with implications for vaccine design and equitable genomic surveillance
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@MOUGK
Moritz Kraemer
5 years
Excited to be one of the 2018 recipients of the #Google Faculty Grants to work on the use of #ai to improve the control of infectious diseases. @GoogleAI
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@MOUGK
Moritz Kraemer
5 years
Herculean effort by all keeping the dots appearing. Please get in touch if you have a couple of hours time to help out geocoding, entering and updating new cases.
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@MOUGK
Moritz Kraemer
2 years
Our team has started curating an open line list for the Ebola 2022 outbreak in Uganda. Data are updated regularly. Downloadable here: and source list here:
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@MOUGK
Moritz Kraemer
9 months
New estimates suggest that mpox has been circulating in humans since at least 2016.
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@MOUGK
Moritz Kraemer
4 years
"With this virus, you have to react early. You can see this by comparing Germany and Britain, two countries that are structured similarly. Germany simply implemented measures earlier in the spring."
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@MOUGK
Moritz Kraemer
3 years
Easily one of the most important tools to track Variants of Concern around the world. Congratulations for keeping this system up and running ( @EvolveDotZoo @arambaut @AineToole ++) with >1M published genomes. Open source, peer-reviewed and transparent.
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@MOUGK
Moritz Kraemer
4 years
"Which interventions work best in a pandemic?". Very much an open question. Interdisciplinary work on potential ways to combine methods from economics, medicine and infectious disease modelling:
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@MOUGK
Moritz Kraemer
10 months
36 locally transmitted cases of mosquito borne disease dengue in Italy (total 236). Weekly updates here:
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@MOUGK
Moritz Kraemer
2 months
1,679 reported cases of #dengue have been imported into France between Jan 1 and late April 2024, compared to 131 in 2023. The mosquito (Ae. albopictus) transmitting it has been established in 80% of metropolitan departments (out of 96)
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@MOUGK
Moritz Kraemer
8 months
81 local cases of #dengue in Italy in 2023, including some reported in the Autumn indicating transmission potential outside the summer months. France reported 41 local dengue cases over the same timeframe.
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@MOUGK
Moritz Kraemer
3 years
And another. Super-spreading, mobility and geographic spread of COVID in the USA. More evidence for the importance of multiple seedings to drive large outbreaks
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@MOUGK
Moritz Kraemer
3 years
We started curating a range of openly available Omicron datasets (SGTF, genomes) including data from Austria, Denmark, UK, ECDC_EU, USA and TravelHistory for genomes uploaded to GISAID. Find downloadable data here: Suggestions and contributions welcome.
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@MOUGK
Moritz Kraemer
3 years
Fascinating preprint on the introduction and establishment dynamics of B.1.1.7 in Denmark using large scale genomic data. Many introductions contributed to fast growth and dispersal across the country:
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@MOUGK
Moritz Kraemer
3 years
Two years of COVID-19 in Africa: "Certainly, Africa’s successes in the COVID-19 pandemic have not been reported in the mainstream media in a way that could enable the world to learn from them."
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@MOUGK
Moritz Kraemer
3 years
Important reports on B.1.617.2 in the UK. Critically, as conclusive evidence for transmission advantage is hard to derive in the early phase of a new VOC spreading urgent and pre-emptive action has shown greatest success to prevent large outbreaks
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@MOUGK
Moritz Kraemer
5 years
Github repository now live with updated linelist with geographic location. Massive thanks to all contributors across many institutions. We will keep uploading basic epidemiological summaries spatially resolved:
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@MOUGK
Moritz Kraemer
4 years
We need more of this - sharing of COVID-19 outbreak data via @github
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@MOUGK
Moritz Kraemer
4 years
"Preparedness and vulnerability of African countries against importations of COVID-19: a modelling study" together with @vcolizza @mariusgilbert and many others in @TheLancet :
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@MOUGK
Moritz Kraemer
3 years
V important study on patient outcomes across high and intensive care units in ten African countries (Egypt, Ethiopia, Ghana, Kenya, Libya, Malawi, Mozambique, Niger, Nigeria, and South Africa)
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@MOUGK
Moritz Kraemer
9 months
Local cases of #dengue in Italy keep rising (72 local and 234 imported):
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@MOUGK
Moritz Kraemer
4 years
Some very good practical considerations to estimate Rt. I found the section on adjusting for reporting delays especially useful: work by @sarahcobey @KatieMG + many more
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@MOUGK
Moritz Kraemer
4 years
Results from Dalziel et al. 2018 in Science showing that intensities of FLU transmission depend on level of urbanization/crowding may become increasingly relevant for COVID-19 in US now:
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@MOUGK
Moritz Kraemer
3 years
We are hiring one Postdoc (up to 36 months, 3years!) and one Research Assistant (24 months) to work on the spatial dynamics of infectious diseases (incl. COVID-19). @UniofOxford
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@MOUGK
Moritz Kraemer
2 months
In 2024 alone Italy has documented 197 imported cases of #dengue . Many of them from countries with large outbreaks such as Brazil. With temperatures rising local outbreaks in Italy and elsewhere are likely.
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@MOUGK
Moritz Kraemer
3 years
@AineToole and @viralverity built this incredible tool to visualise, integrate and track VOCs more updated data here:
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@MOUGK
Moritz Kraemer
5 years
Excited to announce our new genomic epidemiology project to design public health interventions in Mexico. We will be investigating the determinants of spread of arboviruses w/ help of genetic, serological and spatial data. Follow us on @GEAPH2020 1/2
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@MOUGK
Moritz Kraemer
1 month
New preprint: Optimal disease surveillance with graph-based Active Learning DPhil student @JoeTLH led a study on how to sample on networks for tracking infectious diseases with limited testing budgets.
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@MOUGK
Moritz Kraemer
6 years
New paper on how to integrate genomic, spatial and epidemiological data to better predict viral epidemics. w/ @datcummings @EvolveDotZoo @SCauchemez
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@MOUGK
Moritz Kraemer
4 years
Authoritative overview: "COVID-19 herd immunity: where are we?"
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@MOUGK
Moritz Kraemer
4 years
"Tracking the international spread of SARS-CoV-2 lineages B.1.1.7 and B.1.351/501Y-V2"
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@MOUGK
Moritz Kraemer
5 years
Summary and timeline of publicly available information on nCoV cases 'outside' of Wuhan (travel history, visit to market, date of onset of symptoms where available). Please re-use, amend, and add information as you see fit. DM for PDF. Latest update: Jan 21, 12:30pm GMT.
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@MOUGK
Moritz Kraemer
5 years
Top 20 passenger destination cities and direct + total flight volume from Wuhan, China, where novel coronavirus was confirmed. Many thanks to Journal of Travel Medicine for rapid turnaround. Corr. author: @BogochIsaac
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@MOUGK
Moritz Kraemer
4 years
"Scientists are racing to model the next moves of a coronavirus that's still hard to predict" @sciencecohen
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@MOUGK
Moritz Kraemer
3 years
Fantastic work by @NadineRujeni and colleagues: "Genomic sequencing of SARS-CoV-2 in Rwanda reveals the importance of incoming travelers on lineage diversity"
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@MOUGK
Moritz Kraemer
3 years
Shorter estimated latent period and incubation period for the Delta variant. New data from Guangdong, China. These analyses we need in real-time and from different contexts as they have many downstream implications for modelling.
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@bencowling88
Ben Cowling
3 years
Our team have just collaborated with Guangdong CDC on a new preprint (not yet peer-reviewed) on the COVID outbreak in Guangzhou in May-June, and in this thread I’m going describe one of the findings relevant to quarantine durations (1/16)
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@MOUGK
Moritz Kraemer
4 years
We analysed how conflict impacted the #Ebola epidemic in eastern #DRC in 2018-2019. We find evidence for both, conflict events driving larger epidemics and presence of disease increasing frequency of conflict events. #openaccess w/ @SCauchemez @BMCMedicine
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@MOUGK
Moritz Kraemer
2 years
Launch of the Global Arbovirus Initiative from WHO
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@MOUGK
Moritz Kraemer
1 year
Congratulations to Marina Zamudio leading this comprehensive study on the multiple lineage dynamics of SARS-CoV-2 in Mexico. Today out in @eLife
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@MOUGK
Moritz Kraemer
4 years
"Seroprevalence of immunoglobulin M and G antibodies against SARS-CoV-2 in China"
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@MOUGK
Moritz Kraemer
2 years
Our team at is #hiring two DataScientists/PostDocs based in Oxford (or remote). Exciting opportunity to advance decentralised computing infrastructure for pandemic preparedness. Find out more here:
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@MOUGK
Moritz Kraemer
3 years
@viralverity wrote a nice piece on "Progress and challenges in virus genomic epidemiology"; highlights how integrated data streams can be used to make inference on transmission dynamics, and what is needed to move towards predictive phylodynamics:
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@MOUGK
Moritz Kraemer
4 years
Important work on seroprevalence of anti–SARS-CoV-2 IgG antibodies in Kenyan blood donors: National "..4.3% (95% CI 2.9–5.8%) and was highest in urban counties, Mombasa (8.0%), Nairobi (7.3%) and Kisumu (5.5%)."
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@MOUGK
Moritz Kraemer
4 years
We are hiring two RA's (UK based). One 50% FTE and one 100% FTE to help curate data on the open line list of COVID-19. Please get in touch with CV and short statement of motivation directed to @B_Gutierrez_G and me. See details👇
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@MOUGK
Moritz Kraemer
3 years
Fantastic work by @BNODesk tracking Omicron. Thank you for all your work. Many new countries reporting Omicron which is not unexpected. Local contact tracing and isolation may help get early clusters under control. Ideally accompanied by financial support.
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@MOUGK
Moritz Kraemer
4 years
Elegant and insightful: "Awareness-driven behavior changes can shift the shape of epidemics away from peaks and toward plateaus, shoulders, and oscillations"
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@MOUGK
Moritz Kraemer
2 years
What a fantastic environment to learn about real-time genomic surveillance and analytics. Thanks for hosting me @Tuliodna @houzhou @EduanWilkinson
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@MOUGK
Moritz Kraemer
5 years
Using #openly available human movement data to better predict the spread of infectious disease in resource poor settings, including source and sink dynamics. Out today @SciReports
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@MOUGK
Moritz Kraemer
2 years
We are looking to compile countries case definitions for #monkeypox here: and monitor them as they are changing. Please add any links here or comment directly on GitHub.
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@MOUGK
Moritz Kraemer
4 years
Large variation in SARS-CoV-2 antibody seroprevalence in cities in Iran ranging from ~2 to ~70%.
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@MOUGK
Moritz Kraemer
4 years
Another fine example of how human mobility data be used to improve dengue forecasting at the sub-city level:
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@MOUGK
Moritz Kraemer
4 years
This is a must click for all students, researchers interested in machine learning, algebra, statistics. 65 books free to access:
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@MOUGK
Moritz Kraemer
2 months
Ahead of the summer holidays and many returning travelers from large #dengue outbreak settings in South America, Caribbean, Asia, Ae. albopictus newly to UK, near ports and channel travel, major cities (incl. Berlin).
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@MOUGK
Moritz Kraemer
4 years
"Open access epidemiological data from the COVID-19 outbreak" Data here:
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@MOUGK
Moritz Kraemer
2 years
Global dynamics of #monkeypox are now becoming increasingly heterogeneous. Encouraging signs from Germany over the last week (PH interventions may be working?) Global cases still rising. Data from:
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@MOUGK
Moritz Kraemer
6 years
Genomic and epidemiological monitoring of yellow fever virus transmission potential using epidemiological, genetic and spatial data. Now available via @biorxivpreprint w/ @nmrfaria @Hill_SarahC @SCauchemez @EvolveDotZoo
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@MOUGK
Moritz Kraemer
3 years
The importance of open line list data to understand the origins and early dynamics of an outbreak. Our team has made an effort to curate them during this pandemic, making it accessible to everyone:
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@MOUGK
Moritz Kraemer
5 years
How we can use causal inference techniques in spatial mapping to guide policy decision better. Some thoughts by @DrSamirBhatt @RCReinerJr and myself.
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@MOUGK
Moritz Kraemer
5 years
Nice new website @OurWorldInData . Makes searching much easier + the tremendous impact of your work visible.
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@MOUGK
Moritz Kraemer
4 years
Incredibly detailed report on "Reproduction number (R) and growth rate (r) of the COVID-19 epidemic in the UK: methods of estimation, data sources, causes of heterogeneity, and use as a guide in policy formulation" by the @royalsociety SET-C
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@MOUGK
Moritz Kraemer
4 years
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