Category Archives: Microorganisms

24 hours in the life of HIV

Human immunodeficiency virus, or HIV, only emerged in humans relatively recently, yet already represents a big public health threat. When HIV enters the human body, often through sexual contact or the sharing of needles between drug users, it shows a … Continue reading

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The journey to parasite egg paradise

The parasite, Schistosoma mansoni, is a remarkably cunning and efficient worm. It spends the first part of its life infecting freshwater snails, where it vigorously multiplies to bulk up numbers. This parasite army then marches out of the snail and … Continue reading

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What makes the smallpox vaccine so great?

Perhaps one of the most incredibly effective vaccines ever used, against smallpox, has completely eradicated a terribly nasty human disease. Yet the way in which vaccinia virus, the live poxvirus contained in the smallpox vaccine, actually orchestrates a protective immune … Continue reading

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Colonised livestock transmit MRSA to farmers

These days, most people are aware of the increasing threat of antibiotic resistance, where bacteria that cause human disease become resistant to antibiotic therapy. This change is at least partially driven by the overprescription of antibiotics. Even our most robust … Continue reading

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Forensic evidence links badgers and cows in British tuberculosis infections

Bovine tuberculosis (bTB) is a serious disease that threatens the health of livestock, wildlife, and the agricultural economy, particularly in the United Kingdom. Although every cow in the UK is subjected to a yearly bTB test, with those testing positive … Continue reading

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