Grilling watermelon adds a smoky note to the fruit and gives it a slightly meaty texture that matches well with shrimp. Cooking takes only a couple of minutes, so have both sets of skewers ready before you start. You'll need 12 flat metal skewers (12 in. long) or 18 skewers (8 in. long)--or use bamboo skewers of the same size, soaked in water for 30 minutes.
Causes. Lymphogranuloma venereum (LGV) is a chronic (long-term) infection of the lymphatic system. It is caused by any of three different types (serovars) of the bacterium Chlamydia trachomatis. The bacteria spread by sexual contact.
Figure 1. Trypanosoma cruzi trypomastigote in blood smear. Morphology: T. cruzi is a single-celled organism that exists in three distinct forms, namely, the infectious trypomastigote found in the bloodstream, the intracellular amastigote found in tissues, and the reproductive epimastigote found in the reduviid insect.