DEAR DR. ROACH: The newest COVID variant is reputed to be less deadly but highly contagious. What precisely makes one virus variant more contagious than another virus variant? Is it structure, size? - ...

For the first time, researchers have observed that respiratory syncytial virus and influenza viruses can merge to create a hybrid virus capable of evading the immune system, according to findings ...

This image shows purified particles of mpox virus, formerly called monkeypox. Viruses like these can be genetically altered in the lab in ways that might make them more dangerous. (NIAID) Over 150 ...

Researchers at Boston University tested a hybrid version of the SARS-CoV-2 virus in a lab at the university, causing concern from some and surprise from the National Institute of Allergy and ...

DALLAS - Scientists have built the polio virus from scratch in the laboratory, a sign that terrorists could make dangerous viruses from widely available genetic information. Guided by the published ...

More than half of the $7.1 billion that President Bush wants to spend preparing for a flu pandemic is dedicated to finding better ways to make antiviral drugs and vaccines, an investment that ...

In this handout photo, taken Thursday, Aug. 6, 2020, and provided by the Russian Direct Investment Fund, an employee shows a new vaccine at the Nikolai Gamaleya National Center of Epidemiology and ...

Could a virus treatment designed by Boston researchers be the key to treating the aggressive brain cancer glioblastoma? Brigham and Women’s Hospital scientists report that they have created a ...