- WHO-led hydroxychloroquine trials halted Ballarat Courier
- WHO suspends hydroxychloroquine trial for coronavirus patients due to safety concerns ABC News
- WHO insists halting of Hydroxychloroquine trial was for safety review Sky News Australia
- Coronavirus live updates: U.S. marks Memorial Day as deaths near 100,000 NBCNews.com
- Hydroxychloroquine: WHO pauses Covid-19 clinical trial Guardian News
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