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Artikel-artikel mengenai Viruses

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Some human coronaviruses cause seasonal colds or other mild symptoms. Others can be severe and even fatal. Jdidi wassim/SOPA Images/LightRocket via Getty Images

Some coronaviruses kill, while others cause a common cold. We are getting closer to knowing why

The enigmatic envelope protein seems to hold the key to understanding why some human coronaviruses cause more severe disease than others.
People catch La Crosse disease primarily from the bite of the eastern tree-hole mosquito – although two other species may also carry the virus. Nipol Plobmuang/EyeEm via Getty Images

La Crosse virus is the second-most common virus in the US spread by mosquitoes – and can cause severe neurological damage in rare cases

Not all cases of La Crosse disease affect the neurological system, but those that do can be severe and sometimes fatal – especially in children.
Critical-care patients in the emergency polio ward at Haynes Memorial Hospital in Boston in August 1955. Associated Press photo

Fears of a polio resurgence in the US have health officials on high alert – a virologist explains the history of this dreaded disease

Health officials say the new case of polio in New York state and the presence of poliovirus in the municipal wastewater suggests that hundreds more could already be infected with the disease.
Flooding from hurricanes like Irma in Florida can overwhelm sewer systems and spread pathogens in other ways. Brian Blanco/Getty Images

58% of human infectious diseases can be worsened by climate change – we scoured 77,000 studies to map the pathways

It’s not just mosquitos. Flooding, extreme heat and other climate-related hazards are bringing people into contact with pathogens more often, and affecting people’s ability to fight off disease.
The monkeypox virus, shown in this illustration, can be transmitted through close contact between people. Thom Leach/Science Photos Library via Getty Images

Why declaring monkeypox a global health emergency is a preventative step – not a reason for panic

By late July 2022, monkeypox was present in more than 70 countries with significant spread in certain communities. As a result, the World Health Organization began taking steps to fight the virus.

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