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Delhi’s air quality improved on Friday thanks to clearer skies, higher-than-normal temperatures, and strong winds that helped dispersion of pollutants after deteriorating to the higher end of the “very poor” category as the annual winter ban on firecrackers was flouted…

By Leah Douglas Oct 24 – Human bird flu cases in California may be undercounted as farm workers avoid testing due in part to economic concerns, according to a labor union and a state expert. Since early October, bird flu…