Slightly sad news, but with all the hats in the ring, it's inevitable that some won't cut the mustard. On the good news front, Moderna is working on an additional booster to improve performance against the South African variant if needed...
Merck gives up on two potential COVID-19 vaccines, citing poor results
*Merck is giving up on two potential COVID-19 vaccines following poor results in early-stage studies.
The drugmaker said Monday that it will focus instead on studying two possible treatments for the virus that also have yet to be approved by regulators. The company said its potential vaccines were well tolerated by patients, but they generated an inferior immune system response compared with other vaccines*.