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Supercomputing helps reveal weaknesses in HIV-1 virus

Much remains to be discovered on how the HIV-1 virus infects our cells. Scientists know that it slips past the defenses of our immune system, entering white blood cells to deliver its genetic payload and hijack the cell's ...

US bird flu case puts chicken, turkey farms on high alert

Farms that raise turkeys and chickens for meat and eggs are on high alert and taking steps to increase biosecurity, fearing a repeat of a widespread bird flu outbreak in 2015 that killed 50 million birds across 15 states ...

A bacterial virus helped the spread of a new Salmonella strain

Salmonella is associated with a large number of cases of foodborne infection resulting in diarrhea and in some cases severe complications. Half of all Salmonella infections in the European Union are linked to pigs, and a ...

How to better understand what makes a virus win during transmission?

Estimating fitness variation among microorganisms, meaning their aptitude to survive and reproduce in given conditions, allows researchers to predict their infection trajectories in single hosts and transmission in host populations. ...

Mathematician proposes model describing virus mutations

A team of specialists in mathematical modeling from the RUDN University suggested a qualitative model of virus evolution and of the occurrence of new strains. The results of the study can make predicting virus behavior more ...

The six strains of SARS-CoV-2

The virus causing the COVID-19 pandemic, SARS-CoV-2, presents at least six strains. Despite its mutations, the virus shows little variability, and this is good news for the researchers working on a viable vaccine.

Stay or leave? A tale of two virus strategies revealed by math

As small and relatively simple as they may be, even viruses have strategies. Now, researchers in Japan report that they can evaluate two of these strategies through a combination of biology and math, providing a new tool ...

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