What did you send to visit the isolated people?

I went to visit the isolated people and sent some daily necessities and food.

Primary isolation

(1) isolation can be divided into infectious disease isolation and protective isolation in medicine. Infectious disease isolation refers to placing patients with infectious diseases and suspicious patients in designated places to temporarily avoid contact with the surrounding people, which is convenient for treatment and nursing. Through isolation, we can minimize the scope of pollution and reduce the chance of the spread of infectious diseases.

(2) such as epidemic areas and infectious disease hospitals when infectious diseases are prevalent. Protective isolation refers to putting susceptible people with extremely low immune function in a basically sterile environment to protect them from infection, such as organ transplant wards. Home isolation means not being hospitalized and not being observed in a fever clinic. It shows that the infected person's condition is relatively mild.

(3) refers to the phenomenon that organisms in nature cannot mate freely or produce fertile offspring after mating. If the isolation mechanism occurs before fertilization, it is called pre-fertilization isolation, including geographical isolation, ecological isolation, seasonal isolation and so on. If the isolation mechanism occurs after fertilization, it is called post-fertilization isolation, such as hybrid inactivity, hybrid infertility and so on.

(4) The isolation between species is generally not caused by a single isolation mechanism, but is often a combination of several different mechanisms. Long-term geographical isolation may cause reproductive isolation. The function of isolation is to prevent gene exchange between different populations, promote the strong genetic stability of each isolated population, and make each population develop in a direction suitable for the environment under the action of natural selection.