Moderna and other vaccine maker shares jump after first US bird flu death

A researcher prepares milk samples in Sabeti Lab, which is testing purchased milk at area grocery stores for the presence of bird flu.

David L. Ryan/The Boston Globe via Getty Images

• Vaccine makers' stocks surged on Tuesday after the US reported its first bird flu death.
• Moderna, Novavax, and CureVac saw double-digit gains, while Pfizer and GSK also rose.
• The drugmakers have previously reported plans to develop mRNA vaccines to treat the virus.

Shares of vaccine...