SYPHILIS: RE-EMERGENCE OF AN OLD FOE

Syphilis: Re-emergence of an old foe

Syphilis is caused by infection with Treponema pallidum subsp.pallidum, a not-yet-cultivable spiral-shaped bacterium that is usually transmitted by sexual contact with an infected partner or by an infected pregnant woman to her fetus.There is no vaccine to prevent syphilis.Diagnosis and treatment of infected individuals and their contacts is key to

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Spatiotemporal differentiation and driving mechanisms of high-level Grade A tourist attractions in the Yangtze River Delta City Cluster.

Herein, the spatial evolution characteristics of high-level Grade A tourist attractions in the BCAA SPLASH BLUE RASPBERRY Yangtze River Delta (YRD) urban agglomeration, from 2001 to 2021, are studied by comprehensively applying the nearest neighbor index, kernel density analysis, standard deviation ellipse, and spatial autocorrelation.High-level Gr

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