“There are hundreds of strains of bird flu, and most of them don’t infect humans, or even mammals,” Stephen Cusack told BioWorld. “There are two main reasons for that.” To be able to cause an infection, a virus “has to be able to get into the cell, and for that it needs a receptor,” Cusack said. For influenza viruses, those receptors are hemagglutinin receptors, and they differ in subtle but important ways between birds and mammals.

Despite the U.S. FDA’s tentative approval of Liquidia Corp.’s Yutrepia (treprostinil) for treating pulmonary arterial hypertension and pulmonary hypertension associated with interstitial lung disease, the company is stuck in the starting gate. Liquidia said it disagrees with the agency’s stance of simultaneously granting regulatory exclusivity in both indications to United Therapeutics Corp.’s powdered formulation of treprostinil, branded Tyvaso, until May 23, 2025. That means full approval for the inhalation powder won’t come until after that date and neither will a Yutrepia launch.

Imbiologics Inc. scored a potential ₩430 billion (US$315.5 million) deal with China’s Hangzhou Zhongmei Huadong Pharmaceutical Co. Ltd. for Oxtima, an autoimmune disease program with two assets co-developed by Seoul, South Korea-based HK Inno.N Corp.

Pfizer Inc. is calling on the Australian government to establish priorities for the life sciences sector to attract more investment into research, clinical trials and manufacturing in Australia. The new report recommends that the government issue a life sciences vision akin to the one issued by the U.K. in 2021 to make the country more competitive to attract investment.