SYDNEY, Australia (AFP) — Australia on Thursday joined a growing number of countries halting the use of the AstraZeneca coronavirus vaccine for younger people over fears it can cause serious blood clots. In a further setback for Australia’s already halting coronavirus vaccine rollout, officials said the AstraZeneca shot should no longer be given to people under the age of 50, unless they had already received a first dose without any ill effects. Prime Minister Scott […]