An international team of scientists led by geneticists and disease biologists has used ancient DNA to trace the evolution of Marek's Disease Virus (MDV). This global pathogen causes fatal infections ...

It may contain inaccuracies due to the limitations of machine translation. This is an emergency room during the 1918 influenza pandemic (also known as the Spanish Flu). The Spanish Flu was the worst ...

Two new polio vaccine candidates designed to prevent the emergence of vaccine-derived virulent polioviruses have been shown to induce immune responses in mice, raising the possibility of eradicating ...

The unusual cases of pneumonia began to appear in midwinter, in China. The cause, researchers would later learn, was a coronavirus new to science. By March, the infection began to spread to other ...

As evidence mounts that the omicron variant is less deadly than prior COVID-19 strains, one oft-cited explanation is that viruses always evolve to become less virulent over time. The problem, experts ...

We know that diseases can occasionally jump from species to species, including from other species to humans, but scientists have found why diseases from bats are more deadly to humans than any other.

Every winter, respiratory viruses, especially influenza, SARS-CoV-2 and RSV, put huge pressure on healthcare systems throughout Europe. In a typical season, flu causes up to 50 million symptomatic ...

Researchers who voluntarily stopped work on a potent strain of influenza they created in the lab are hoping to end the moratorium on their studies. In January 2012, scientists agreed to halt their ...

ROME, DEC 19 - The virulent wave of flu cases that has hit Italy is getting worse, according to new data from the Higher ...