The global project to share COVID-19 vaccines is struggling to place more than 300 million doses in the latest sign the problem with vaccinating the world is now more about demand than supply.

Merck & Co. Inc. and partner Ridgeback Biotherapeutics LP said on January 18 they had signed an agreement with the United Nations Children’s Fund (UNICEF) to supply up to 3 million courses of their COVID-19 antiviral pill.

Airlines battered by Covid-19 are prepping for key roles in the mass vaccine rollout that promises to unlock an immediate boost for the sector – and beyond that, its own recovery and survival.

A summit hosted by British Prime Minister Boris Johnson is expected to set a goal of at least $7.4 billion to go to Gavi, the Vaccine Alliance.

Lions Health, the festival and awards celebrating creativity in healthcare communications, and UNICEF announced the 2016 Young Lions Health Award winner: DigitasLBi.