So when the open-source foundation model DeepSeek-R1 suddenly outperformed many global peers, it struck a nerve. This launch ...

In the shadows of Python Cave, Uganda, a leopard leaps from a guano mound—formed by bat excrement—and sinks its teeth into a ...

The WHO Scientific Advisory Group for the Origins of Novel Pathogens (SAGO), a panel of 27 independent, international, ...

Despite years of global investigation, the WHO confirms COVID-19’s true origin remains unknown due to limited data, with zoonotic spillover the most likely theory and lab leak unproven.

All hypotheses on how the COVID-19 pandemic began remain open, the World Health Organization said Friday, following an ...

All hypotheses on how the Covid-19 pandemic began remain open, the World Health Organization said, following an inconclusive four-year investigation that was hamstrung by crucial information being ...

Many investigators contend that limiting spread of MRSA depends on health care personnel using proper hand hygiene practices, contact isolation, and barrier precautions in the clinical setting ...

Mutations can also help viruses such as SARS-CoV-2 spread in many other ways. Some could make sick people contagious for longer periods of time, for example.

Once a person begins showing signs and symptoms of rabies, the disease is nearly always fatal. The first symptoms of rabies can be similar to flu, while later symptoms include fever, headache, nausea, ...

Once a person begins showing signs and symptoms of rabies, the disease is nearly always fatal. The first symptoms of rabies can be similar to flu, while later symptoms include fever, headache, nausea, ...

Most studies assessed the vaccine for a short time after injection, and it is unclear if and how vaccine protection wanes over time. Due to the exclusion criteria of COVID-19 vaccine trials, results ...