What Are the Causes of Liver Spots? The appearance of liver spots is quite common in men and women over the age of 40. Liver spots develop over time, usually taking years to appear, and, although they have the word liver in their name, these dark patches on the skin have nothing to do with the human liver or liver disease.
Mosquito vectored diseases include protozoan diseases, i.e., malaria, filarial diseases such as dog heartworm, and viruses such as dengue, encephalitis and yellow fever.
The B virus can be transmitted to people through bites and scratches, and can cause acute neurological disease and fatal encephalitis. B virus, CDC ; Bites from Animals. Animals bites can result in serious injuries and potential exposure to zoonotic diseases such as rabies.