12/1/2023 0 Comments Covid vaccine infographic cdc![]() ![]() For example, the disease risks encountered by high-end African safari goers might be quite different than the disease risks for people going to work in resource-poor areas of the same countries.Įven when risk is low, travelers’ decisions will still reflect their perception and tolerance of risk. Additional information to help make an informed decision should, most importantly, include the severity of the disease, how readily the disease can be treated, and the length and type of travel. Disease risks can range from 1 in 500 (an estimate of the risk for typhoid fever in unvaccinated travelers to Nepal) to 1 in 1,000,000 (an estimate of the risk for JE in travelers to Asia), and travelers need to determine what these statistics mean to them. The rates of diseases (e.g., typhoid fever, malaria, Japanese encephalitis ) in a particular country or location might not suffice for clinicians or travelers to make an individualized decision. A low likelihood of a severe and untreatable disease might be perceived as more important than the greater likelihood of a less severe disease. The overall perception of risk is based on a combination of likelihood and severity. Perception of risk is a subjective evaluation of whether a risk is considered large or small is 1 in 10,000 a large risk or a small risk? Tolerance refers to acknowledging a risk and accepting it a risk of 1 in 100,000 might be tolerable for one traveler but not for another. For example, vaccine-preventable diseases can be mostly avoided, depending on the protective efficacy of the vaccine. Some risks are avoidable, while others are not. In the context of travel medicine, “risk” refers to the possibility of harm occurring during a trip. ![]() Travel medicine is based on the concept of risk reduction. ![]()
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