\u0027Elimination\u0027 refers to zero cases of COVID\u002D19 in a particular geographic area, while eradication refers to bringing the global burden of cases to zero
What does it take to get an infectious disease eliminated? There are four major principles to eliminate an infection within the human population:Article content continued
• No other place for this infection to hide, and then reinfect humans, such as an animal “reservoir” — a disease that exists naturally among animals and can be transmitted to humans cannot be eliminated by defeating it in human hosts alone. Based on the aforementioned four principles, smallpox was an ideal candidate for elimination and ultimately eradication. It had:
We do not yet have biologic interventions in place to prevent transmission of the disease. Our most effective method of preventing infection is physical distancing. This may change, but there’s no vaccine yet. Our diagnostic test by nasopharyngeal swab picks up most cases but not all of them. Surveillance can pick up symptomatic cases but given the presymptomatic and asymptomatic transmission of this disease , it is unable to pick up a significant proportion of cases prior to spread.
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