The World Health Organization listed AstraZeneca’s Covid-19 vaccine for emergency use, widening access in the developing world, while sources said the EU is in talks with Moderna on buying more vaccines.

Global coronavirus cases surpassed 100 million on Jan. 27, according to a Reuters tally, as countries around the world struggle with new virus variants and vaccine shortfalls.

Another new variant of the novel coronavirus seems to have emerged in Nigeria, the head of Africa’s disease control body said on Dec. 24, cautioning more investigation was needed.

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.