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Infectious dose

NoV can spread directly from person to person due to their low infectious dose. Human volunteer studies have estimated that a single infectious NoV particle could cause illness in a susceptible individual (Teunis et ah, 2008). [Pg.7]

Campylobacter spp. are gram-negative bacilli that have a curved or spiral shape. Campylobacter are sensitive to stomach acidity as a result, diseases or medications that buffer gastric acidity may increase the risk of infection. Data suggest that the infectious dose for C. jejuni is similar to that for Salmonella spp. After an incubation period, infection is established in the jejunum, ileum, colon, and rectum. [Pg.1120]

The infectious dose of EHEC is very low, between 1 and 100 colony-forming units (CFUs).15 The two major virulence factors... [Pg.1121]

People of blood type O are more susceptible to El Tor vibrios than people of other blood types.18 Inoculum size affects the likelihood and severity of cholera infection. The infectious dose is lower in patients who are taking antacids owing to the neutralization of gastric acid.19... [Pg.1122]

Bovine herpes virus type 1 (BHV1) glycoprotein D (gDc) Tobacco leaf Sustained and specific humoral and cellular immune response in mice and cows when delivered once parenterally. Cows challenged with infectious dose of BHV1 exhibited milder symptoms over a shorter duration. 87... [Pg.144]

Infectious Dose 5-10 Organisms (inhalation) >1,000,000 Organisms (ingestion). [Pg.509]

Infectious Dose 1,000,000 Organisms. Varies markedly with gastric acidity. [Pg.518]

Normal Routes of Exposure Undetermined, possibly Inhalation Mucous Membranes. Infectious Dose Unknown. [Pg.548]

See other pages where Infectious dose is mentioned: [Pg.9]    [Pg.1121]    [Pg.311]    [Pg.493]    [Pg.498]    [Pg.500]    [Pg.501]    [Pg.503]    [Pg.503]    [Pg.505]    [Pg.506]    [Pg.507]    [Pg.510]    [Pg.513]    [Pg.514]    [Pg.516]    [Pg.517]    [Pg.517]    [Pg.520]    [Pg.521]    [Pg.527]    [Pg.534]    [Pg.537]    [Pg.538]    [Pg.539]    [Pg.539]    [Pg.540]    [Pg.541]    [Pg.542]    [Pg.543]    [Pg.544]    [Pg.546]    [Pg.547]    [Pg.550]    [Pg.551]    [Pg.552]    [Pg.553]    [Pg.554]    [Pg.556]    [Pg.556]    [Pg.558]    [Pg.558]   
See also in sourсe #XX -- [ Pg.115 , Pg.133 ]



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Infectious

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