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COVID-19 vaccines

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In many countries – at least in Europe and North America – a large proportion of the population has been vaccinated against COVID-19. In Denmark, the vaccines that have been used are the ones from BioNTech/Pfizer, Moderna and AstraZeneca (the latter has however been discontinued). The two first ones use mRNA-based technology – the last […]

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CRISPR-Cas9 / Nobel Prize in Chemistry 2020

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At October 7th, The Royal Swedish Academy of Sciences announced that the Nobel Prize in chemistry 2020 was awarded to Emmanuelle Charpentier and Jennifer Doudna for their development of the CRISPR/Cas9 system for precise genome editing. Read the press release here. I have made a short, animated explainer about what CRISPR/Cas9 is, watch it here. […]

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Elephants and cyanobacteria

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This summer, the summer of 2020, scary pictures of hundreds of dead elephants in the Okavango-delta in Botswana could be seen. For a long time, it was a mystery what had caused their death. A disease? Or had someone poisoned them? Last week, the answer came. The elephants’ drinking water was contaminated with cyanotoxins produced […]

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Coronavirus therapeutic strategies

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The novel coronavirus (SARS-CoV-2 / nCov-2019) still holds the World in its grip and the pandemic is far from over. In addition to strategies that try to contain or to eliminate the disease, it is also important to develop treatment options for severely diseased people. The coronaviruses have an Achilles heel – it is the […]

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2D-animation about RNA-vaccines

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There is currently an international race on the development of a vaccine against COVID-19 / SARS-CoV-2. One of the approaches is to use RNA-vaccines for this instead of traditional vaccines. But what is actually the difference between traditional vaccines and RNA-vaccines? I have tried to explain that in this short 2D-animation. I am not so […]

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Australian and New Zealand Society for Immunology animation about vaccination

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A while ago, I helped the Australian and New Zealand Society for Immunology, ASI (an NGO working to encourage and support the discipline of immunology) with this animation about how a vaccine works. Watch it here or on the ASI homepage, where it has recently been added to: https://www.immunology.org.au/community/immunology-concepts/ https://movingscience.dk/wp-content/uploads/2020/06/ASI-PUBLIC-RESOURCES-The-Science-of-Immunisation.mp4

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Coronavirus immunoassay

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In a time, where many European countries are taking their first, tentative steps towards re-opening after lockdown, it is becoming more and more important to be able to test if people has already had the COVID-19 infection. Detection of antibodies against the virus (SARS-CoV-2 / nCov-2019) is one of the best measures for this. Antibodies […]

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COVID-19 / nCov-2019 test (RT-PCR)

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We hear a lot about corona-testing these days! Currrently, the most used (and fastest) test is based on an assay, that is named PCR (Polymerase Chain Reaction). With this technology, it is possible to detect the presence of COVID-19 in a patient sample by purification and amplification of specific gene sequences from the viral RNA […]

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Coronavirus / COVID-19 infection mechanism

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Three coronaviruses, originating in animals, have crossed the species barrier to cause deadly pneumonia in humans within the last two decades; SARS (Severe Acute Respiratory Syndrom), MERS (Middle East Respiratory Syndrome) and now the current pandemic of COVID-19 / nCov-2019 / SARS-CoV-2. But exactly how does the nCov-2019 infect us? The spikes (that can be […]

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ANTIBIOTIC RESISTANCE

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Although all the focus rigth now is on coronavirus / Covid-19, the problem with antibiotic resistance has never been more important. Because virus infections is often the prime cause  / initiators of bacterial infections. It is close to a century ago that Penicillin was discovered (by serendipity) by Alexander Fleming – and it led to […]