The Centers for Disease Control and Prevention advised on Tuesday that fully vaccinated people should wear masks indoors. The updated guidance arrives as COVID-19 cases rise with the spread of the Delta variant. (CNN)

Anti-aging specialist Calico will partner with AbbVie on 20 early-stage programs in the realms of immuno-oncology and neurodegeneration. The $1 billion commitment is designed to find “new insights into the biology of aging,” Calico said in a statement. (Endpoints News)

Biogen submitted a paper on Aduhelm to the Journal of the American Medical Association, but withdrew it after the journal asked for edits. The drugmaker still hasn’t published Aduhelm clinical trial results in a peer-reviewed journal. (Axios)

Mississippi and Louisiana are seeing some of the highest volume of COVID-19 caseloads and continue to have some of the lowest vaccination rates. In the week ending Sunday, Mississippi experienced a 132% increase in average daily cases. (CNBC Weekly)

Manufacturers are proposing an mRNA vaccine tech transfer hub in Africa to jumpstart the continent’s production of its own vaccines. Africa currently imports 99% of routine vaccines. (Politico)