ChickenPox (Varicella) and Cholera

Chickenpox (Varicella):

It is a disease, common in childhood and infectious before four days from the rash appears, until seven days after appearing the rash.Its incubation period usually last for 14 days. The rash, which may be preceded by mild headache or fever. It begins as red spots, and within a few hours raised in such a way, they become clear blister. Within two or three days these blisters becomes opalescent and then scab over, with many corps of blisters that appear over a period of 5 to 7 days. This rash can occur on any part of the body, including mouth and scalp. 

Infect chickenpox is caused by virus called, Herpes zoster. There is specific treatment for this disease. The victim should avoid scratching with dirty hand and nails and to relieve itch. 

Cholera:

Cholera is an acute infection in the intestine of victim. This infection causes profuse watery diarrhea, vomiting and dehydration. It is caused by consuming water or food contaminated by bacterium Vibrio comma, which is found in faeces. It can be prevented by the supply of clean water. Its vaccination is also available; two injections are injected at the interval of two to four months and is also effective for six to nine months, after which booster doses are needed.