Articles on Virology

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Varicella zoster virus, also known as human herpesvirus 3, causes chickenpox and shingles. BSIP/Universal Images Group via Getty Images

Shingles can cause severe chronic pain – new research on how exosomes alter neurons offers pathways to treatment

The pain of post-herpetic neuralgia can drive people to the point of suicide. Researchers are getting closer to pinpointing its cause – which may extend to other forms of neuropathy.
In the aquatic or frozen habitats of the North and South Poles, life is dominated by single-celled micro-organisms. Giant viruses sit at the top of the food pyramid. (Unsplash/Henrique Setim)

The giant viruses that orchestrate life in the polar regions

Long overlooked because of their size, giant viruses are now redefining the frontiers of microbiology.
imageBROKER/Arnulf Hettrich/Getty Images

Hantavirus in Africa: why climate change, rats and weak surveillance are worrying scientists

Weak surveillance and climate change could allow deadly hantaviruses to spread unnoticed across African countries, raising the risk of future outbreaks.
The cruise ship MV Hondius sits anchored off Praia, the capital of Cape Verde, on May 5, 2026, before setting course for Spain on May 6. AFP via Getty Images

Health authorities work to contain cruise ship hantavirus outbreak

Hantavirus cases are usually rare, but the strain in the outbreak is the only one thought to be transmitted from person to person.
The city of Wuhan (capital of Hubei province in central China) was the epicentre at the beginning of the Covid-19 pandemic. Sleepingpanda/Shutterstock

The ‘lab‑leak origin’ of Covid‑19. Fact or fiction?

The origins of SARS-CoV-2 have been the subject of debate. While many scientists support the theory of a natural spillover event, recent U.S. intelligence assessments suggest a different source.
The Aedes mosquito is a vector of several viral diseases, including eastern equine encephalitis, or EEE, and West Nile fever. Lee Haines

Some viruses prefer mosquitoes to humans, but people get sick anyway − a virologist and entomologist explain why

The virus that causes eastern equine encephalitis, or EEE, has evolved to infect mosquitoes. To be able to spread between people, however, it faces extra challenges.
The researchers drilling on the Guliya Glacier. Lonnie Thompson

Ancient viral genomes preserved in glaciers reveal the history of Earth’s climate – and how viruses adapt to climate change

From ice cores extracted from the Tibetan Plateau, scientists recovered the equivalent of 1,705 virus species. Reading their genomes tells the story of 41,000 years of climate change.

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