Sentences with phrase «recent widespread outbreaks»
Viruses and parasites pose a threat to the blood supply as evidenced by the recent widespread outbreaks of Chikungunya and Zika viruses.
http://www.bsrisf.org/ Not exact matches
«Recent climate changes in this region may have had substantial impact on the carbon balance of Canadian boreal forests as a result of increased fire frequency, an unprecedented expansion of insect outbreaks, and widespread drought - induced tree mortality,» the authors write, but focused their study on drought.