The Leiden University Campus Protocol lists the measures and guidelines that apply within the University to ensure the safety of our students and staff and reduce the risk of a further spread of the virus.

This dissertation describes the history of the Ottoman county of Foçateyn as a case study of the process of transition from the Ottoman Empire to nation states.

This thesis describes the development of improved formulations and alternative delivery strategies for polio vaccination.

Conference

In the hunt for a vaccine against cervical cancer, fundamental knowledge about the immune system and organic chemistry have been brought together and have already resulted in a vaccine that is now being tested in clinical trials. Scientists are now working hard on an improved variant.

Zijn corona-complotten waanzin? Jelle van Buuren, universitair docent bij het Institute of Security and Global Affairs van de Universiteit Leiden, discussieert in de online talkshow De Groene Live #25 vanuit Pakhuis de Zwijger over dit thema.

The buildings are closed and all classes have moved online: these are strange times for students at our university. And for international students, it is even more complicated. They are here without their friends and family, and had to decide whether to stay here or return home. Three of them share…

Denmark, Poland and Germany are a few of the countries that have closed their borders, entirely or certain sections, in response to the continued advancement of coronavirus. Normally, this is only possible when there is a threat to public order or national security.

The research group of Eric Snijder, Professor of Molecular Virology (LUMC), has been conducting research on coronaviruses for decades. Then in March this year their work accelerated at an unprecedented rate. The first new results are now available: insight into how the virus replicates.

Drawing on insights from past and contemporary scholars and world leaders, the report explores the concepts of a new social contract, a new global deal, and networked and inclusive multilateralism introduced recently by Secretary-General António Guterres to help the United Nations better grapple with…

This study looks at population response to government containment strategies during initial stages of the COVID-19 pandemic in four high-trust Northern European countries–Denmark, Germany, the Netherlands, and Sweden–with special emphasis on expressions of governmental trust.

PhD Defence

Promotor: T.H. Oosterkamp

The current hepatitis B vaccines need to be stored and transported under refrigerated conditions (2-8 degrees C). This dependence on a cold-chain is highly challenging in areas where hepatitis B virus infections are endemic.

Promotoren: G.F.A. Kersten, W. Jiskoot, Co-promotor: J-P. Amorij

Promotors: Prof.dr. P.G.L. Klinkhamer, Prof.dr. P.M. Brakefield

Associate professor at the Natural Products Laboratory, Institute of Biology, Leiden University - the Netherlands

Leiden University always follows the health advice of the National Institute for Public Health and the Environment (RIVM) and the travel advice of the Ministry of Foreign Affairs.

The quality of vaccines is still often tested by using laboratory animals. That has to change, according to researchers from Leiden University and the vaccinological institute Intravacc. Together they went searching for a test method that makes animal testing unnecessary. The first promising results…

PURPOSE: The aim of the study was to develop a cheap and fast method to produce hollow microneedles and an applicator for injecting vaccines into the skin at a pre-defined depth and test the applicability of the system for dermal polio vaccination.

Chapter 2 describes a post-synthetic methodology to introduce a fluorescent label in highly lipophilic, Pam3Cys based conjugates.

Natascha van der Zwan, Assistant Professor at Leiden Univeristy, together with two other authors, wrote a book that explored some of the ways coronavirus is impacting the global capitalist system – and how this could change for better and for worse.

Dr. Foks obtained this fellowship for the project “Can promotion of efferocytosis induce regression of atherosclerosis?”, in which she aims to identify novel targets to promote regression of atherosclerosis. This research grant allows her to initiate independent research for the next three years.

The Risk and Regulation Lab from organises events and workshops in Leiden and The Hague. On this page you can read reports of the events that already took place.

The COVID Radar app is citizen science at its best. More than 200,000 users in the Netherlands are answering questions about their health and behaviour to help predict the development of the pandemic. Niels Chavannes, Professor of General Practice at Leiden University Medical Center, explains how the…

Psychologists Fenna Poletiek and Erik de Kwaadsteniet have received a grant from the FNV trade union to research people’s attitude to work if they receive a basic income. How do they plan to find answers?

The current COVID-19 vaccination campaign involves injecting the vaccine into muscle tissue, but injecting a smaller amount of vaccine in the skin might also provide good protection. The #wakeuptocorona crowdfunding campaign has enabled Anna Roukens (LUMC) to examine the safety and efficacy of vaccination…

At the end of March, the first coronavirus infections were detected in southern Africa, which resulted in country after country rapidly closing their borders. Tycho van der Hoog witnessed this process at first hand during his PhD research in Namibia. He analyzes the state of the corona crisis from his…

Lecture

PhD Defence

Leiden archaeologists appealed for help from volunteers to search for archaeological remains on satellite images of Utrechtse Heuvelrug, a national park close to Utrecht. The outbreak of the corona virus made the project a resounding success: in a single month, all 300,971 maps had been examined. 'That's…

No two pandemics are ever the same. The current coronavirus crisis, for instance, is clearly very different from the deadly plague outbreaks in the 14th and 15th centuries. Can historians learn anything from the coronavirus crisis? And what can we learn at the moment from historians? These are questions…

'I did not know that I could become even more proud of you.' Kristian Rietveld's father responded to the news that his son was appointed Teacher of the Year 2017.

In the near future oral polio vaccine (OPV) will be replaced by inactivated polio vaccine (IPV) as part of the eradication program of polio. For that reason, there is a need for substantial amount of safe and more affordable IPV for low-income countries. Bioneedles, which are biodegradable mini-implants,…

Research in the Daniela Kraft Lab focuses on self-assembly in biological and soft matter systems, ranging from anisotropic colloidal particles to lipid membranes, emulsions, and viruses.

Atherosclerosis (thickening of the artery wall) is the most common cause of heart attacks or strokes, and one of the most common causes of death in the western world. People with this condition have to take medicine all their lives, so a vaccine for atherosclerosis would be a breakthrough.

Leiden researchers are helping develop safe COVID-19 vaccines.

Our Dutch courses aim to provide students with language skills in Dutch, which they can use in everyday life. The courses focus on speaking skills. It is important to note that the certificate provided upon successful completion of the course, is not officially acknowledged in the Netherlands or Bel…

‘There’s a lot of evaluation in the Netherlands, but this doesn’t always lead to change,’ says Wout Broekema, Assistant Professor of Crisis Governance at the Institute of Security and Global Affairs. Learning from a crisis is complicated, but experts can help.

Has the Netherlands responded well to the corona crisis? Or are we, as Geert Wilders terms it, the ‘dunce’ of Europe? A group of authors including Leiden professor Arjen Boin have analysed the Dutch approach and come up with valuable lessons for the next pandemic.

Lecture

Sara Polak, American Studies expert and University Lecturer investigates how American presidents deal with the media and how new, social media influence our collective memory and the political game. ‘Social media algorithms influence us and our political choices in ways we do not foresee’, Polak say…

If you’re considering the English Language and Culture bachelor’s programme and would like to experience what it’s like to study in Leiden University, introductory activities that include an Open Day, Experience Day and Student for a Day, will help you make up your mind.

Students support primary schools in reducing backlogs due to Covid-19

In recent years, freedom of movement within Europe has come under increasing pressure as a result of transboundary crisis situations. In his inaugural lecture on 22 October, Professor Jorrit Rijpma argues that what is needed is even closer cooperation to provide the best protection.

The coronavirus outbreak has demonstrated the strengths and weaknesses of modern diplomacy. In this two-part series of blog posts, I will attempt to analyze how diplomats grappled with the coronavirus pandemic and how international diplomacy can best prepare to meet similar challenges in the future.…

Infecting each other with viruses and bacteria while protecting yourself with medicines and vaccinations. Sounds like a fun evening, right? Master students Life Science & Technology Rafael Jezior and Dennis de Beeld certainly think so. Together, they developed ImmunoWars: an exciting card game based…

Important note: upon careful consideration, we have decided to resume our Dutch language courses.