It goes on to say: "Specified substances are not necessarily less serious agents for the purpose of doping than other prohibited substances, and nor do they relieve athletes of the strict liability rule that makes them responsible for all substances that enter his or her body.
Among the Elizabethkingia spp., the species Elizabethkingia meningoseptica is well established as a serious causative agent of neonatal meningitis and sepsis (Dooley et al. 1980), and a notable rise in E. meningoseptica nosocomial infections has been recorded in recent years.
Mycoplasmas are serious causative agents of diseases of both humans and animals, such as acute respiratory inflammation (including pneumonia), urogenital tract infections and AIDS [ 52, 53].
The focus here will be on L. pneumophila, the causative agent of serious, life-threatening pneumonia ("Legionnaires' disease"), often requiring hospitalization [ Centers for Disease Control and Prevention CDCC) 2011b; Yoder et al. 2008].
Human respiratory syncytial virus (HRSV) is the most important viral agent of serious pediatric respiratory tract disease worldwide [1], [2], [3], [4], [5].
The study at Karitas Hospital does not confirm P. vivax as the sole agent of serious and fatal illness in any patient.
In spite of the vast number of publications on the bacterium, many questions about its pathogenicity are still unanswered, and this pathogen remains a major causative agent of serious human diseases such as pneumonia, meningitis and bacteraemia [ 1].
H. influenzae is primarily found as a commensal of the upper respiratory tract in children but is also often an agent of serious disease, especially in patients with respiratory conditions such as cystic fibrosis and chronic obstructive pulmonary disease (Agrawal and Murphy 2011; Dworkin et al. 2007; MacNeil et al. 2011).
S. suis serotype 2 (SS2) is considered the most pathogenic as well as the most prevalent capsular type among thirty-three serotypes (types 1 to 31, 33, and 1/2) in diseased pigs, and it is also the causative agent of serious infections in humans, especially in people in close contact with pig or pork byproducts [ 1- 3].
In this regard, Ceratocystis albifundus, the causal agent of a serious wilt disease of Acacia mearnsii trees in Africa, was recently identified killing cultivated Protea cynaroides in the Western Cape (WC) Province of South Africa.
