Q: Tell us how there might be benefits to stress. The overwhelming focus of science and the media has been on the bad effects of stress because it is known that stress can have significant deleterious effects on health. In general, chronic or long-term stress can have harmful effects.In contrast, acute or short-term stress can have protective and beneficial effects.We have shown that when short-term stress is coupled with immune activationâfor example during surgery or vaccinationâthe immune response is enhanced.irdaus Dhabhar. Most of us have come to think that stress is bad for us, but it is really part of our fundamental survival system. Stress can be harmful and dampen the immune response if it is chronic or ongoing.
Ebola first appeared in 1976. There were two simultaneous outbreaks, in Nzara, Sudan, and in Yambuku in what is now the Democratic Republic of Congo (formerly Zaire). The Congolese outbreak occurred in a village near the Ebola River, which is how the disease gets its name.
Origin of the disease. The first reported case of the deadly virus came in 1976 and it is named after the Ebola River in the Democratic Republic of Congo which was where it was discovered.At the time, the area where the disease was spotted was officially recognized as Zaire.The virus has since spread throughout the region.here Have There Been Outbreaks. All of the known cases involving human infection have been limited to Africa, with reported infections in the Democratic Republic of Congo, Republic of the Congo, Uganda, Liberia, South Sudan, Sierra Leone, Guinea, Gabon and the Ivory Coast.