scholarly journals Primary and Probable Secondary Dengue Virus (DV) Infection Rates in Relation to Age among DV IgM-Positive Patients Residing in the United States Mainland Versus the Caribbean Islands

2011 ◽  
Vol 19 (1) ◽  
pp. 105-108 ◽  
Author(s):  
Harry E. Prince ◽  
Cindy Yeh ◽  
Mary Lapé-Nixon

ABSTRACTDengue virus (DV) primary infection and probable secondary infection rates in relation to patient age (years) were determined for DV IgM-positive U.S. mainland residents (presumed travelers to areas of DV endemicity) and Caribbean island (area of DV endemicity) residents by evaluating IgG status and IgG avidity. Regardless of place of residence, most patients ≤20 years old exhibited primary infection and most patients >60 years old exhibited probable secondary infection. Among patients 21 to 60 years old, the primary infection rate was markedly higher in U.S. residents.

1992 ◽  
Vol 6 (1) ◽  
pp. 95-104
Author(s):  
Iñigo Granzow-de La Cerda

The phylogenetic relationships of the species of Anomodon are analyzed along with those of Haplohymenium and Herpetineuron. Anomodon is known only from the northern hemisphere: there are four species in Mexico (several of which extend to Guatemala and/or the Caribbean islands), two in the United States and Canada, on in Europe, and the remaining in south and east Asia. Three species of Haplohymenium, Herpetineuron toccoae, H. acutifolium (Anomodon acutifolius, Granzow- de la Cerda 1989) and Pterogonium gracile are also included. Thirty-one characters for the 17 taxa were analyzed by using the PAUP program, version 3.0, for Macintosh (Swofford 1991). According to the resulting trees, the 11 species of Anomodon are monophyletic as long as it includes the species of Haplohymenium. Anomodon comprises two clads, one equivalent to the subgenus Pseudoanomodon Limpr., including A. longifolius, A. attenuatus, A. giraldii and A. rostratus; the other is equivalent to subgenus Anomodon and includes the species of Haplohymenium. Section Haplohymenium is proposed for the latter genus.


Author(s):  
Tyson Reeder

The United States has shared an intricate and turbulent history with Caribbean islands and nations since its inception. In its relations with the Caribbean, the United States has displayed the dueling tendencies of imperialism and anticolonialism that characterized its foreign policy with South America and the rest of the world. For nearly two and a half centuries, the Caribbean has stood at the epicenter of some of the US government’s most controversial and divisive foreign policies. After the American Revolution severed political ties between the United States and the British West Indies, US officials and traders hoped to expand their political and economic influence in the Caribbean. US trade in the Caribbean played an influential role in the events that led to the War of 1812. The Monroe Doctrine provided a blueprint for reconciling imperial ambitions in the Caribbean with anti-imperial sentiment. During the mid-19th century, Americans debated the propriety of annexing Caribbean islands, especially Cuba. After the Spanish-American War of 1898, the US government took an increasingly imperialist approach to its relations with the Caribbean, acquiring some islands as federal territories and augmenting its political, military, and economic influence in others. Contingents of the US population and government disapproved of such imperialistic measures, and beginning in the 1930s the US government softened, but did not relinquish, its influence in the Caribbean. Between the 1950s and the end of the Cold War, US officials wrestled with how to exert influence in the Caribbean in a postcolonial world. Since the end of the Cold War, the United States has intervened in Caribbean domestic politics to enhance democracy, continuing its oscillation between democratic and imperial impulses.


Author(s):  
Yi-Tui Chen

Although vaccination is carried out worldwide, the vaccination rate varies greatly. As of 24 May 2021, in some countries, the proportion of the population fully vaccinated against COVID-19 has exceeded 50%, but in many countries, this proportion is still very low, less than 1%. This article aims to explore the impact of vaccination on the spread of the COVID-19 pandemic. As the herd immunity of almost all countries in the world has not been reached, several countries were selected as sample cases by employing the following criteria: more than 60 vaccine doses per 100 people and a population of more than one million people. In the end, a total of eight countries/regions were selected, including Israel, the UAE, Chile, the United Kingdom, the United States, Hungary, and Qatar. The results find that vaccination has a major impact on reducing infection rates in all countries. However, the infection rate after vaccination showed two trends. One is an inverted U-shaped trend, and the other is an L-shaped trend. For those countries with an inverted U-shaped trend, the infection rate begins to decline when the vaccination rate reaches 1.46–50.91 doses per 100 people.


1987 ◽  
Vol 67 (4) ◽  
pp. 734
Author(s):  
Richard Hart ◽  
Kai P. Schoenhals ◽  
Richard A. Melanson

1996 ◽  
Vol 76 (2) ◽  
pp. 411-412
Author(s):  
Franklin W. Knight

Author(s):  
Núria Casado Gual

Abstract: Emerging from the author’s own diasporic experience in the Caribbean, the UK and the United States, Edgar Nkosi White’s drama reflects the reality of the raciallyoppressed from multiple perspectives. Focusing on the theatre’s spatial expressivity, this essay analyses the metaphorical value of his theatrical spaces. Through these deterritorialized geographies, the readers and spectators of Edgar Nkosi White’s theatre are able to recognize loci of racial confrontation from a cross-cultural viewpoint, thus enlightening their perception of the global, conflictive space they share.Resumen: A partir de la experiencia diaspórica del propio autor en el Caribe, el Reino Unido y Estados Unidos, el teatro de Edgar Nkosi White refleja la realidad de las víctimas del racismo desde una perspectiva múltiple. Tomando la expresividad espacial del teatro como eje principal, este artículo analiza el valor metafórico de los espacios escénicos de su obra. A través de sus geografías desterritorializadas, los lectores y espectadores de Edgar Nkosi White pueden reconocer lugares de confrontación racial desde una perspectiva transcultural, iluminando así su visión del espacio global y conflictivo que comparten.


Author(s):  
Daniel Alexis Tovar-Montalvo ◽  
Monserrat Medina-Acevedo ◽  
Miguel Angel García-Bielma ◽  
Jesús Jaime Guerra-Santos

Resumen: Antecedentes y Objetivos: La avena de mar, Uniola paniculata, se distribuye en el Caribe, los Estados Unidos de América y México. El objetivo de este trabajo es reportar su presencia y registro en el estado de Campeche, México. Métodos: Se colectaron ejemplares de la familia Poaceae creciendo en una duna frontal al suroeste del estado de Campeche, específicamente en la Isla del Carmen. Las colectas fueron procesadas y herborizadas, para su conservación e identificación.Resultado clave: Con la identificación de ejemplares, y después de hacer una revisión de su distribución, se registra por primera vez la presencia de Uniola paniculata (Poaceae) en la Península de Yucatán, representando una contribución al conocimiento florístico de la región y a la flora de México.Conclusiones: Esta especie solo había sido reportada para la costa del Golfo de México, en los estados de Tamaulipas, Veracruz y Tabasco. Este registro adquiere relevancia por el papel ecológico de este pasto en las dunas costeras.Palabras clave: avena de mar, conocimiento florístico, dunas costeras, flora de Campeche.Abstract: Background and Aims: The oat sea grass, Uniola paniculata, is distributed in the Caribbean, the United States of America and Mexico. The aim of this work is to report its occurrence and record in the state of Campeche, Mexico.Methods: Individuals of the family Poaceae were collected growing in a coastal dune in the southwest of the state of Campeche, particularly on the Isla del Carmen. The collections were processed and herborized for their conservation and classification.Key results: With the individuals’ identification and after reviewing its distribution, this is the first report of the presence of Uniola paniculata (Poaceae) on the Yucatan Peninsula, representing a contribution to the floristic knowledge of the region and the flora of Mexico.Conclusions: This species had only been reported from the coast of the Gulf of Mexico in the states of Tamaulipas, Veracruz and Tabasco. This record is relevant because of the ecological role of this oat sea grass in the coastal dunes.Key words: Campeche flora, coast dunes, floristic knowledge, sea oat.


Sign in / Sign up

Export Citation Format

Share Document