cholera, Cholera due to Vibrio cholerae, cholera is spread by Contagion, Cholera is spread by Contagion., Cholera has been eradicated here., Choleracarried him off that year., Cholera infections are often mild., Cholera carried her off yesterday., cholera toxin B subunit-peroxidase, cholera and other water-borne diseases 返回 choleratoxin