1. Actinobacillus suis, lipopolysaccharide, serogroup O:2, vaccine.

2. Results A total of 74 strains of serogroup C, 11 strains of serogroup A and 19 strains of serogroup B were separated from the patients' CSF and faucial swabs from close contactors.

3. Expansion of quinolone-resistant Neisseria meningitidis clone China CC4821-R1-C/B from sequence type (ST) 4821 Clonal complex (CC4821) caused a serogroup shift from serogroup A to serogroup C invasive meningococcal disease (IMD) in China

4. Three serogroups identified by agglutination and immunodiffusion tests were confirmed by ELISA.

5. While other Arboviruses, like Eastern equine encephalitis, California serogroup, and St

6. Currently, serogroup A, B, C, Y, and W-135 meningococcal infections can be prevented by vaccines.

7. Cholera is an acute, diarrheal illness caused by infection of the intestine with the toxigenic bacterium Vibrio Cholerae serogroup O1 or O139

8. Cerebral spinal fluid (CSF) samples have been received for testing at the National Institute of Communicable Diseases (NICD), Delhi, 35 samples have tested positive so far for serogroup A.

9. Serology revealed strong agglutination in serogroup A antiserum with no visible reaction in antisera for groups B, C, X, Y, Z, W135, 29E and wheat germ agglutinin.

10. We compared the ability of Aeromonas hydrophila wild-type strains of serogroup O:34, non-motile Tn5 Aflagellar mutants and the same mutants harboring a recombinant cosmid DNA from a library of A