The World Health Organization’s suspension of trials due to safety concerns follows endorsements by leaders including US President Donald Trump.
In the study that looked at over 96,000 people hospitalised with Covid-19, those treated with hydroxychloroquine or the related chloroquine had higher risk of death than patients who were not given the medicines.
US president has advocated for the use of hydroxychloroquine to treat Covid-19. Results of a Washington-funded study of the drug, the largest yet, linked the drug with more deaths and showed no benefit against the disease over standard care.
A top European Union court upheld the ban on three insecticides blamed for killing off bee populations, dismissing cases brought by chemical giants Bayer and Syngenta.
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