![]() Research suggests that COVID-19 vaccination results in a low risk of infection with the COVID-19 virus for at least six months. If the proportion of vaccinated people in a community is below the herd immunity threshold, a contagious disease could continue to spread. Some people object to getting a COVID-19 vaccine because of religious objections, fears about the possible risks or skepticism about the benefits. Herd immunity makes it possible to protect the population from a disease, including those who can't be vaccinated, such as newborns or those who have compromised immune systems.īut reaching herd immunity through vaccination against COVID-19 will likely be difficult for many reasons. 2023-2024 Novavax COVID-19 vaccine, available for people age 12 years and older.2023-2024 Moderna COVID-19 vaccine, available for people age 6 months and older.2023-2024 Pfizer-BioNTech COVID-19 vaccine, available for people age 6 months and older.The COVID-19 vaccines available in the United States are: Using the concept of herd immunity, vaccines have successfully controlled contagious diseases such as smallpox, polio, diphtheria, rubella and many others. Unlike the natural infection method, vaccines create immunity without causing illness or resulting complications. ![]() Herd immunity also can be reached when enough people have been vaccinated against a disease and have developed protective antibodies against future infection. The health care system could quickly become overwhelmed. Infection with the COVID-19 virus could lead to serious complications and millions of deaths, especially among older people and those who have existing health conditions. Because reinfection can cause severe medical complications, it's recommended that people who have already had COVID-19 get a COVID-19 vaccine. However, even if you have antibodies, you could get COVID-19 again. It's estimated that getting COVID-19 results in a low risk of another infection with a similar variant for at least six months. There are some major problems with relying on community infection to create herd immunity to the virus that causes COVID-19: It's estimated that getting COVID-19 and COVID-19 vaccination both result in a low risk of another infection with a similar variant for at least six months.īut because reinfection is possible and COVID-19 can cause severe medical complications, it's recommended that people who have already had COVID-19 get a COVID-19 vaccine. Getting COVID-19 offers some natural protection or immunity from reinfection with the virus that causes COVID-19.
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