Ukraine said Thursday that Russia’s offensive in the east picked up momentum, with several towns coming under intense attack as Moscow’s forces attempt to...
Moderna on Thursday asked U.S. regulators to authorize low doses of its COVID-19 vaccine for children younger than six, a long-awaited move toward potentially...
Measles cases jumped by 79% in the first two months of this year compared to 2021, after COVID-19 and lockdowns disrupted child vaccination campaigns...