Coronavirus Update: Another Vaccine Disappointment For GSK

Plus: UK Increases Order From Valneva

After suffering a setback in its joint venture with Sanofi, GlaxoSmithKline has been dropped by another vaccine partner, Clover, as it looks for the best adjuvant for its COVID-19 candidate.  

Brazil COVID-19 vaccination
Rio De Janeiro, Brazil: A senior receives the CoronaVac vaccination at a drive-thru vaccination center, as priority vaccination of the elderly gets underway in the city. The vaccine was developed by China’s Sinovac in partnership with Brazil’s Butantan Institute • Source: Getty Images

Clover Biopharmaceuticals has pulled the plug on its partnership with GlaxoSmithKline to develop a COVID-19 vaccine using the UK giant's adjuvant, plumping instead to go into late-stage trials with an adjuvant from Dynavax Technologies Corporation of the US.

China-headquartered Clover had been evaluating its protein-based S-Trimer COVID-19 vaccine in a Phase I trial with two adjuvant, one from...

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