Federal dengue outbreak, alarming increase in number of patients

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2006 Prof. Frank Hadley Collins, Dir., Cntr. for Global Health and Infectious Diseases, Univ. of Notre Dame This 2006 photograph depicted a female Aedes aegypti mosquito while she was in the process of acquiring a blood meal from her human host, who in this instance, was actually the biomedical photographer, James Gathany, here at the Centers for Disease Control. You’ll note the feeding apparatus consisting of a sharp, orange-colored “fascicle”, which while not feeding, is covered in a soft, pliant sheath called the "labellum”, which retracts as the sharp stylets contained within pierce the host's skin surface, as the insect obtains its blood meal. The orange color of the fascicle is due to the red color of the blood as it migrates up the thin, sharp translucent tube. The fascicle is composed of a pair of needle-sharp "stylets". The larger of the two stylets, known as the "labrum", when viewed in cross-section takes on the shape of an inverted "V", and acts as a gutter, which directs the ingested host blood towards the insect's mouth. As the primary vector responsible for the transmission of the Flavivirus Dengue (DF), and Dengue hemorrhagic fever (DHF), the day-biting Aedes aegypti mosquito prefers to feed on its human hosts. Ae. aegypti also plays a major role as a vector for another Flavivirus, "Yellow fever". Frequently found in its tropical environs, the white banded markings on the tarsal segments of its jointed legs, though distinguishing it as Ae. aegypti, are similar to some other mosquito species. Also note the lyre-shaped, silvery-white markings on its thoracic region as well, which is also a determining morphologic identifying characteristic.

This female’s abdomen had become distended due to the blood meal she was ingesting, imparting the red coloration to her translucent abdominal exoskeleton.

Islamabad (NNI): 235 dengue cases were reported in private and public hospitals in Islamabad in the last 24 hours. According to sources, more than 2,500 patients were reported in Islamabad in the last one week. According to the translator PIMZ, more than 130 patients have been diagnosed with dengue virus in the last 24 hours. According to the spokesman, the number of patients admitted to the dengue ward increased to more than 70. According to the spokesman of the polyclinic, 99 patients are dengue patients in the polyclinic. The translator said that so far six patients died in the polio clinic.
 
According to the Transmission Poly Clinic, 3,900 dengue patients have been treated at the polio clinic so far. 85 hospitals are undergoing treatment in private hospitals; more than 8,740 dengue cases have been reported in Islamabad so far.

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