Moderna shares surge as melanoma vaccine with Merck succeeds in large trial
- Posted on August 19, 2026
- By CNN
- 0 Views
- 1 min read
In brief
Generating AI summary…
Moderna shares surge as melanoma vaccine with Merck succeeds in large trial
Moderna’s mRNA vaccine combined with Merck’s immunotherapy Keytruda succeeded in a late-stage trial for skin cancer, the companies said on Wednesday, sending shares of the vaccine maker up 60% in premarket trading.
