Viruses that have been attenuated are less communicable than viruses that are not. Although the virus in the chickenpox inoculation is generally incompetent of causing an ailment, it still encourages a response from the body's invulnerable system.
1.2. Causes
In 1875, Steiner demonstrated that chickenpox was caused by a communicable agent by inoculating volunteers with the vesicular fluid from a patient with desperate varicella. Clinical explanations of the relationship between varicella and herpes zoster were made in 1888 by von Bokay, when children without evidence of varicella protection assimilated varicella after contact with herpes zoster.
1.3. Cures
VZV was isolated from vesicular fluid of both chickenpox and zoster scratches in cell culture by Thomas Weller in 1954. Subsequent laboratory …show more content…
AIDS
2.1. History
AIDS is a kind of dangerous transmissible disease, caused by infected with AIDS virus (HIV).HIV is a kind of a virus that attacks the body's resistant system. It is the most important thing in the body's resistant system CD4T lymphocytes as the main board, a lot of compensations the cells, make human body loss of protection.
2.2. Causes
HIV is a viral contagion that can be communicated through sensual communication, through blood or from mother to child during condition, childbirth or breast-feeding.
2.3. Cures
On the early stage of the HIV/AIDS or developed for AIDS patients, should be according to the illness, pay attention to rest, to give high quantity of heat, vitamin diet. Can’t eaters, venous fluids should be compensatory nutrition. Reinforce support treatment, including blood transfusion and nutritious support treatment, maintain water and electrolyte balance.
3. Epidemic encephalitis type B
3.1. History
Epidemic encephalitis b pathogens found in Japan in 1934, the Japanese b encephalitis. The illness mainly distributed in the Far East Asia and Southeast Asia, spread by parasites, and see more at fall.
3.2.