U.S. health regulators last month authorized injecting the shot intradermally in adults, meaning between layers of the skin rather than below the skin, in an effort to stretch out low vaccine supplies. read more
Russia's invasion of Ukraine has prompted the biggest shake-up of European energy markets this century. This film explains how Europe became so dependent on cheap Russian gas, and explores the hard choices facing the EU as it tries to balance energy security and climate ambitions.
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