Early indicators of vaccine efficacy
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Ludwig-Maximilians-Universität (LMU) in Munich researchers have shown that a specific class of immune cells in the blood induced by vaccination is an earlier indicator of vaccine efficacy than conventional tests for neutralizing antibodies. The current coronavirus pandemic, together with episodic outbreaks of infections caused by other pathogenic viruses, represent a growing threat to societies around the world, especially when effective vaccines are either lacking altogether or are in short supply.
Arthritis drug may improve respiratory function in some patients with severe COVID-19
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A small study in Greece found that the clinically approved anti-inflammatory drug anakinra, used to treat rheumatoid arthritis, improved respiratory function in patients with severe coronavirus disease 2019 (COVID-19). The eight patients also had a condition called secondary hemophagocytic lymphohistiocytosis (sHLH), which is characterized by overactivation of the immune system and organ failure.
Frankfurt researchers discover potential targets for COVID-19 therapy
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A team of biochemists and virologists at Goethe University and the Frankfurt University Hospital were able to observe how human cells change upon infection with SARS-CoV-2, the virus causing COVID-19 in people. The scientists tested a series of compounds in laboratory models and found some which slowed down or stopped virus reproduction. These results now enable the search for an active substance to be narrowed down to a small number of already approved drugs.
How COVID-19 kills
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COVID-19, the disease caused by coronavirus SARS-Cov-2, has infected over 4 million people in 212 countries, of whom at least 272,000 have died. The ongoing economic and social impact of the pandemic is staggering, but despite a daily flood of news on the disease, few laypeople know that paradoxically, COVID-19 mostly kills through an overreaction of the immune system, whose function is precisely to fight infections.
In France, population immunity to SARS-CoV-2 at about 4.4% in May, modeling suggests
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By 11 May, when lockdown restrictions were eased in France, about 4.4% of the French population had been infected with SARS-CoV-2, a new modeling study suggests. These estimates are well short of what would be required for herd immunity, say the authors. Understanding the level of immunity to SARS-CoV-2 will be key to avoiding a rebound in the epidemic as populations around the world ease lockdowns.
The challenges of developing a safe and effective COVID-19 vaccine
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The goal of a vaccine is to trigger a response that safely protects against an infection and/or the burden of disease. While this is true for all vaccines, the steps leading to a safe and effective product can be different for each infection. In the case of COVID-19, caused by the virus SARS-CoV-2, researchers at Baylor College of Medicine and Texas Children's Hospital have found that vaccine design can
New triple antiviral drug combination shows early promise for treating COVID-19 in phase 2 randomized trial
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- Category: Research
A two-week course of antiviral therapy with interferon beta-1b plus lopinavir-ritonavir and ribavirin, started within 7 days of showing COVID-19 symptoms, is safe and more effective at reducing the duration of viral shedding than lopinavir-ritonavir alone in patients with mild to moderate illness, according to the first randomised trial of this triple combination therapy involving 127 adults (aged 18 and older) from six public hospitals in Hong Kong.
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