How did viruses evolve? Are they a streamlined form of something that existed long ago, or an ultimate culmination of smaller genetic elements joined together? Aa Aa Aa The evolutionary history of ...

Related: Do other viruses have as many variants as SARS-CoV-2? For Caetano-Anolles, co-evolution from a single common ancestor seems to be the most likely origin of viruses and bacteria.

The history of influenza vaccine and the associated technology shows how the vaccine has evolved to match the evolution of influenza viruses. Box 1. Current nomenclature for influenza viruses (WHO ...

For scientists working in China, 15,000-year-old glaciers on the Tibetan Plateau provided a glimpse into the not-so-distant history of viruses, including some entirely new viruses that were ...

Researchers review the ever-growing list of human viruses, examining their diversity, transmission pathways, and the urgent ...

A new retrospective, laboratory-based observational study provides detailed insights into the causes of fevers of unknown ...

A new retrospective, laboratory-based observational study provides detailed insights into the causes of fevers of unknown origin in sub-Saharan Africa. Scientists examined 550 patients from Guinea who ...

It became obvious that it was necessary to modify regularly the composition of the vaccine, and that it was necessary to use vaccine strains selected according to any emerging new virus.