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.

An estimated 6.3 million children died before their 15th birthdays in 2017 – or one every five seconds – mostly due to a lack of water, sanitation, nutrition and basic healthcare, according to report by United Nations agencies.

International Business Machines Corp. said it would provide its technology and resources to help track the spread of the Zika virus.

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