Qiagen alleges that BioMérieux infringes a European patent that protects the company's QuantiFeron interferon-gamma release assay technology for latent TB detection.

Of the 30 companies on the list, 22 firms saw their share prices decline month over month, while eight companies saw their stock prices rise.

Last week, readers were most interested in a story about Pfizer shuttering the Lucira Health business that it acquired in 2023.

The firm's Anti-Measles Virus ELISA 2.0 (IgG) is used with dried blood spot samples to identify infections and determine patients' immune status.