There are too many unanswered questions remain for researchers to reach definitive conclusions about Covid-19 herd immunity, according to a
Government Accountability Office report.
Typically, herd immunity is achieved when 70% to 90% of the population is immune through natural infection or vaccination. Even if herd immunity is achieved, it might not be equal across the population, so outbreaks could still occur. The “herd immunity threshold” refers to the percentage of the population that needs to become immune to an infectious disease so that people without immunity are safe because they aren’t likely to come into contact with an infected person.
To determine this threshold, researchers must know how contagious the disease is. This requires figuring out how many people an infected person can infect. Scientists have estimated how contagious COVID-19 is, but uncertainties about such factors as the accuracy of testing and how long immunity lasts make this calculation difficult.
Patient Advocate Alliance is not a politicized organization, our mission is to advocate for people experiencing challenges getting the healthcare they deserve, and in getting a Medication Card in the wallets of everyone taking medications. Part of this involves raising awareness about significant and noteworthy issues impacting the health of individuals and society.
Take a look at our Covid-Page for a volume of fact-checked authoritative information about Covid-19.
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Dr. Justin Groode | Patient Advocate Alliance LLC