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The importance of tobacco mosaic virus in the history of viruses cannot be overstated. It was the first virus to be discovered, and the first to be crystallised and its structure shown in detail. The first X-ray diffraction pictures of the crystallised virus were obtained by Bernal and Fankuchen in 1941.
2023–2024 Oropouche virus disease outbreak: 2023–2024 Brazil Oropouche fever: 2 [325] [326] [327] 2024 American dengue epidemic: 2024–present: Latin America and the Caribbean: Dengue virus: 8,186 [328] 2024 Kwango province malaria outbreak: 2024–present: Democratic Republic of the Congo: Malaria: 143 [329] HMPV outbreak in East Asia ...
The virus, which only infected humans, probably descended from the poxviruses of rodents. [5] Humans probably came into contact with these rodents, and some people became infected by the viruses they carried. When viruses cross this so-called "species barrier", their effects can be severe, [6] and humans may have had little natural resistance ...
Between August 1 and Dec. 11, 2024, there were 495 norovirus outbreaks reported in the U.S., compared to 363 in the same time period last year, according to the CDC.
A Doppler on Wheels unit records wind speeds of 224 miles / 360 kilometers per hour in a tornado near Harlan, Iowa, the strongest recorded by a mobile weather radar since the 2013 El Reno tornado, equivalent to EF-5 intensity on the Enhanced Fujita scale. (University of Illinois) 2024 Porto Alegre fire
As you dive into your New Year’s resolutions, taking precautions to protect yourself from a quartet of infectious diseases can lessen your odds of starting off 2025 sick.
Friday marks five years since the COVID-19 virus was declared a public health emergency by the United States. But five years later, the virus is still killing thousands, according to experts.
The history of coronaviruses is an account of the discovery of the diseases caused by coronaviruses and the diseases they cause. It starts with the first report of a new type of upper-respiratory tract disease among chickens in the U.S. state of North Dakota, in 1931. The causative agent was identified as a virus in 1933.