| detection of a typhus group rickettsia in amblyomma ticks in the state of nuevo leon, mexico. | the state of nuevo leon, mexico has had outbreaks of typhus group rickettsiosis, most recently recognized in 1997. evaluation of the sera of 345 patients with a dengue-like illness revealed that 25.5% had antibodies reactive with typhus group rickettsiae and 16% had antibodies to rickettsia parkeri. rickettsiae were detected by pcr and shell-vial isolations in the field-collected amblyomma ticks. molecular characterization by dna sequence analysis of the glta, ompb, and 17-kda gene identified th ... | 2005 | 16481535 |
| characterization of the dengue outbreak in nuevo leon state, mexico, 2010. | we studied serotypes circulating dengue virus (denv) cases, entomological breteau index, rain-fall index and epidemiology of groups affected during the 2010 outbreak in nuevo leon, mexico. from 2,271 positive cases, 94% were dengue classic and 6% dengue hemorrhagic fever; denv1 was mainly isolated (99%) (central-american lineage of american-african-genotype). we found correlation between two environmental phenomena (increment of rainfall and vector-indexes) (p ≤ 0.05) with epidemiological, clini ... | 2015 | 25573274 |