Also, as much as 10% of raw shellfish, while appearing perfectly fresh, are infected with organisms that can cause hepatitis, salmonellapoisoning or cholera.
此外，多达10%的生贝类，虽然看起来非常新鲜，却已受微生物感染，可导致肝炎，沙门氏菌中毒或霍乱。
3
And although GM food isn't entirely natural, that isn't necessarily a bad thing; food poisoning agents such as salmonella are natural, and they kill thousands of people each year.