The British government Monday announced Monday an expansion of the nation’s COVID-19 booster shot program to people ages 40 and up, to fight off a potential winter surge of the deadly disease. Until now, only British residents ages 50 and up, those clinically vulnerable because of underlying conditions, and frontline health workers were eligible for booster shots. But at a news briefing in London, the chairman of Britain’s Joint Committee on Vaccination and Immunization, Wei Shen Lin, announced the extension to those ages 40 and up who have been fully …

Pakistan rolled out a massive two-week drive Monday to immunize more than 90 million children in what officials hailed as one of the world’s biggest vaccination campaigns against measles and rubella. An official announcement said children aged between 9 months and 15 years across the country will be inoculated against the contagious viral infections. The Pakistani government has mobilized more than 600,000 health professionals, vaccinators and social mobilizers for the campaign with the support of Gavi, the Vaccine Alliance, the United Nations Children’s Fund and the World Health Organization. “Measles …