[1/2] A person walks past a poster encouraging elderly people to get vaccinated against the coronavirus disease (COVID-19), near a residential compound in Beijing, China March 30, 2022. Picture taken March 30, 2022. REUTERS/Tingshu Wang BEIJING, Nov 29 (Reuters) – China will speed up COVID-19 vaccinations for elderly people, health officials said on Tuesday, aiming to overcome a key stumbling block in efforts to ease unpopular "zero-COVID" curbs. The move is seen as a crucial element in a strategy to unwind nearly three years of strict curbs that have eroded economic growth, disrupted the lives of millions, and sparked unprecedented…