Tag: Infectious disease
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Can the body remove HIV by itself?
Two patients have astonishingly cured themselves of HIV without any therapy. Kevin Boyle discusses these novel findings and their potential implications in the development of a vaccine against the HIV virus. A recent report in the Annals of Internal Medicine has shown that a female patient previously infected with HIV was able to remove the…
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Nanoparticle based vaccines: a potentially new addition to the “vaccine menu”?
A versatile and highly effective flu vaccine required in tiny amounts might be just around the corner: too good to be true? Kevin Boyle looks at recent advances. For around 70 years, flu vaccines have mostly been made the same way – using chicken eggs. The virus is injected into the eggs and incubated for…
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Are mRNA vaccines our way out of the COVID-19 pandemic?
Seán Dunphy discusses recent developments in COVID-19 vaccines. Vaccine development is complex and often takes 10 to 15 years of research. With this in mind the scientific response to the Covid-19 pandemic is remarkable. In a single year, 54 Covid-19 vaccines have been brought to human trials, and 13 of these are in the final…
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COVID-19, a disease of the blood vessels?
COVID-19 baffled doctors and scientists around the world with its strange symptoms and disproportionate mortality rates. Months after the onset of the pandemic, researchers may finally be closer to understanding how the disease manifests itself in patients. An important clue lies in the circulatory system. Early on, most COVID-19 patients showed signs and symptoms of…
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Dexamethasone: a steroid superhero?
With the US buying up the world’s stock of Remdesivir, will dexamethasone emerge as the wonder cure to save lives amidst this pandemic? Researchers have made an exciting discovery in the race to find effective therapies against COVID-19. Dexamethasone, a cheap and widely prescribed steroid, has emerged triumphant in the RECOVERY trial conducted at the…
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Dogs to train as COVID-19 detectors
The world faces a global pandemic, and man’s best friend is joining the fight against infection. Dogs are being trained to sniff and detect coronavirus infections in humans before the onset of symptoms, to offer a speedy screening method for the coronavirus that causes COVID-19. In recent weeks, we have all heard of the importance…
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Do viruses make your clock tick wrong?
With the Covid-19 coronavirus pandemic happening, let’s delve into one of the many clever strategies that viruses use to successfully infect their host – disruption of the body (circadian) clock. What is a circadian rhythm? Circadian rhythm is a natural cycle that repeats roughly every 24 hours. The circadian rhythm controls the timing of various…
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Coronavirus – a breakdown
2019-nCoV, a previously unknown type of coronavirus, emerged in the central Chinese city of Wuhan on December 31. Thousands of cases have been confirmed around China, with a few others scattered internationally. What is 2019-nCoV? Samples taken from patients exhibiting respiratory symptoms revealed a previously unknown virus within the coronavirus species, of the Coronaviridae family.…