Political polarization and online misinformation are threatening vaccination programs worldwide, with public trust volatile and varying widely between countries, according to a global vaccine confidence study.

BioSpace reviews some recently published scientific studies, including researchers with the University of Colorado Anschutz Medical Campus releasing a new study calling attention to the emergence of mosquito-borne viral outbreaks in West Africa.

Despite infecting more than 3 million people around the world, there are 34 countries and territories that have not reported a single case of the novel coronavirus.

Regeneron Pharmaceuticals Inc. is ramping up efforts to develop a set of coronavirus treatments, which could be available for testing or use in some patients within a few months, the drugmaker said on Thursday.

The U.S. Department of Health and Human Services is partnering with Regeneron Pharmaceuticals Inc. to develop a treatment for the coronavirus, making the drugmaker the latest to join the race to develop a therapy.

As part of strategic refocusing, AstraZeneca sold the rights to two cancer drugs in several countries in Europe, Africa and other countries to Juvisé Pharmaceuticals.

The U.S. Food and Drug Administration approved drugmaker Merck & Co.’s Ebola vaccine Ervebo, the first FDA-authorized vaccine against the deadly virus.

The U.S. Food and Drug Administration approved Oxbryta (voxelotor), a drug from Global Blood Therapeutics Inc. developed to treat sickle cell disease in adults and children 12 years or older.

Novartis AG won U.S. approval for the company’s experimental sickle cell disease drug Adakveo.

Johnson & Johnson filed for an approval from European regulators for the company’s two-dose experimental vaccine to protect against Ebola.