Health experts warn about a 'pollen tsunami' currently affecting people living in the northeast United States. The severe winter of last year, the delayed start of spring and even the setting effects of climate change are believed to be possible causes of the phenomenon.
Health experts warn about a 'pollen tsunami' currently affecting people living in the northeast United States. The severe winter of last year, the delayed start of spring and even the setting effects of climate change are believed to be possible causes of the phenomenon.
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