Researchers are developing an mRNA-based vaccine against the contagious H5N1 bird flu virus that is spreading rapidly among poultry and cattle and has already infected two humans in the United States.
An unusual surge of respiratory illness has been plaguing China in recent months, with increased cases of pneumonia affecting children in particular. Despite some early confusion, however, local health officials say these cases are not being caused by a novel germ. Instead, the surge is likely tied to a mix of known…
AstraZeneca submitted a request for the FDA on Wednesday to approve a self-administered nasal flu vaccine for people ages two to 49 years old.