By Erin Banco, Adam Cancryn and Carmen Paun

For months, critics have prodded drug companies to do more for the world. Now, as Covid-19 surges, U.S. and global policymakers are struggling to get shots into arms.

For months, critics have prodded drug companies to do more for the world. Now, as Covid-19 surges, U.S. and global policymakers are struggling to get shots into arms.

For months, critics have prodded drug companies to do more for the world. Now, as Covid-19 surges, U.S. and global policymakers are struggling to get shots into arms.