The passaging was conducted in a secure laboratory and did not aim to increase the transmissibility or severity of the virus samples. The use of Vero E6 cells further limited risks to human health.

Epstein-Barr virus (EBV) infection is known to convert resting B lymphocytes into immortal cells that continuously multiply, leading to posttransplant lymphoproliferative disorder (PTLD).

New York City officials recently said the two measles cases reported so far in 2025 were unrelated, suggesting the virus had yet to reach the level of community spread that ignited the massive ...

Get Instant Summarized Text (Gist) Long-term laboratory evolution of SARS-CoV-2 shows the virus remains highly adaptable, continually acquiring mutations even after 100 passages.