Vaccines and more: The response of Dark Web marketplaces to the ongoing COVID-19 pandemic.

Early analyses revealed that dark web marketplaces (DWMs) started offering COVID-19 related products (e.g., masks and COVID-19 tests) as soon as the COVID-19 pandemic started, when these goods were in shortage in the traditional economy.

Dark Web Marketplaces and COVID-19: before the vaccine.

The COVID-19 pandemic has reshaped the demand for goods and services worldwide. The combination of a public health emergency, economic distress, and misinformation-driven panic have pushed customers and vendors towards the shadow economy. In particular, dark web marketplaces (DWMs), commercial websites accessible via free software, have gained significant popularity.

Acute acalculous cholecystitis. Ultrasonic appearance.

Acute acalculos cholecystitis can be associated with severe electrical burns. Ultrasound can have a role in the evaluation of this problem.