Pneumococcus - PAHO/WHO | Pan American Health Organization
2024年8月30日 · Pneumococcus is a Gram-positive lancet-shaped diplococcus with a polysaccharide capsule external to the wall. According to the capsular antigenic differences, more than 90 serotypes have been identified, of which a limited number cause invasive pneumococcal disease. Serotype identification has varied by geographic region, age, and study period; 6 to …
Meningococcus - PAHO/WHO | Pan American Health Organization
Neisseria meningitidis (Nm), also known as meningococcus, is an encapsulated Gram-negative diplococcus that can be found intra- or extracellularly in the blood in polymorphonuclear leukocytes. Due to differences in composition, there are 13 meningococcal serogroups; six serotypes (A, B, C, W, Y, and X) are usually associated with disease.
Neumococo - OPS/OMS | Organización Panamericana de la Salud
El neumococo es un Diplococo Grampositivo lanceolado que posee una capsula polisacarida externa a la pared. De acuerdo con las diferencias antigénicas capsulares, se han identificado más de 90 serotipos, de los cuales un número limitado es causante de enfermedad neumocócica invasora. La identificación de serotipos ha variado según región geográfica, edad y periodo de …
Gonorrhea - PAHO/WHO | Pan American Health Organization
2024年11月4日 · Gonorrhea, caused by Neisseria gonorrhoeae, is the second most common bacterial STI and results in substantial morbidity and economic cost worldwide. Gonorrhea is spread by having unprotected vaginal, anal, or oral sex with someone who has gonorrhea, or from mother-to-child during childbirth. Correct and consistent use of condoms significantly …
Communicable Diseases - PAHO/WHO | Pan American Health …
2024年12月10日 · The Pan American Health Organization promotes, coordinates, and implements technical cooperation activities directed toward the surveillance, prevention, control, elimination and/or reduction of communicable diseases, zoonoses and environmental threats to health that are technically sound and appropriate for the political and sociocultural context in …
Frequently Asked Questions on Meningococcal Disease
2021年8月18日 · Meningococcus, or Neisseria meningitidis, is a bacterium that can be carried harmlessly in the human pharynx or may progress to invasive meningococcal disease, manifesting as septicemia or meningitis. While adolescents and young adults have the highest rates of carriage, infants have the highest rate of invasive meningococcal disease, which …
Questions and Answers on Syphilis - PAHO
Syphilis symptoms vary depending on the different stages and can be asymptomatic. In the primary stage, it is characterized by the appearance of a painless sore (chancre).
Meningococo - OPS/OMS | Organización Panamericana de la …
La Neisseria meningitidis (Nm), también conocida como meningococo, es un Diplococo Gram-negativo encapsulado, puede encontrarse intra o extracelularmente en la sangre en leucocitos polimorfonucleares. Las diferencias en la composición permiten clasificar 13 serogrupos de meningococo siendo que seis serotipos (A, B, C, W, Y, X) se asocian usualmente con …