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Legionella is een bacterie die groeit in water. De bacterie bestaat uit ruim 50 soorten en meer dan 100 ondersoorten. De bekendste soort is […]
Health officials are warning that after months of being shuttered, schools that are starting to reopen could face an unexpected health threat lurking in […]
One day in 1976, there was a terrible outbreak of an unknown disease at an American Legion convention in Philadelphia. What was the pathogen […]