According to the CDC, all COVID-19 vaccines currently available in the United States are effective in preventing COVID-19. Getting sick with COVID-19 may offer some protection against future illness, sometimes called "natural immunity," but the level of protection people have against COVID-19 may vary depending on how serious or severe it is. their illness, the time elapsed since their infection. , and their age. Getting vaccinated against COVID-19 is also a safer way to increase your protection than getting sick with COVID-19. Getting vaccinated against COVID-19 helps protect you by creating an antibody response without you having to get sick. Getting vaccinated yourself can also protect the people around you, especially those at increased risk of severe illness from COVID-19. Getting sick with COVID-19 can lead to serious illness or even death, and we cannot reliably predict who will experience mild or severe illness. If you get sick, you can spread COVID-19 to other people. You may also continue to have long-term health problems after a COVID-19 infection. Although COVID-19 vaccines are effective, studies have shown some decline in their effectiveness against infections over time, particularly when the Delta variant was widely circulating. mRNA vaccines do not contain any live virus. Instead, they work by teaching our cells to make a harmless piece of a “spike protein,” which is found on the surface of the virus that causes COVID-19. After making the piece of protein, the cells display it on their surface. Our immune system then recognizes that it does not belong there and reacts to get rid of it. When an immune response begins, antibodies are produced, creating the same response that occurs during a natural infection. Unlike mRNA vaccines, many other vaccines use a piece or weakened version of the germ that the vaccine protects against. This is how measles and flu vaccines work. When a weakened or reduced part of the virus is introduced into your body, you produce antibodies to protect against future infection. According to the CDC, mRNA vaccines do not contain any live virus. Instead, they work by teaching our cells to make a harmless piece of a “spike protein,” which is found on the surface of the virus that causes COVID-19. After making the piece of protein, the cells display it on their surface. Our immune system then recognizes that it does not belong there and reacts to get rid of it. When an immune response begins, antibodies are produced, creating the same response that occurs during a natural infection. Unlike mRNA vaccines, many other vaccines use a piece or weakened version of the germ that the vaccine protects against. This is how measles and flu vaccines work. When a weakened or reduced part of the virus is introduced into your body, you produce antibodies to protect against future infection. Although COVID-19 vaccines are effective, studies have shown some decline in their effectiveness against infections over time, particularly when the Delta variant was circulating widely. According to the CDC, multi-layered prevention strategies – like staying up to date on vaccines and wearing masks – can help prevent serious illness and reduce the risk of strain on the health care system. Wear a mask that provides the best fit, protection and comfort for you. If you are in an area with a high community level of COVID-19 and you are 2 years or older, wear a well-fitted mask indoors and in public. If you are sick and need to be around others or caring for someone with COVID-19, wear a mask. If you are at increased risk of severe illness, or if you live or spend time with someone at higher risk, talk to your healthcare provider about wearing a mask at average COVID-19 community levels . In April 2021, an increase in cases of myocarditis and pericarditis was reported in the United States after mRNA vaccination against COVID-19 (Pfizer-BioNTech and Moderna). Data from several studies show a rare risk of myocarditis and/or pericarditis after receiving COVID-19 mRNA vaccines. These rare cases of myocarditis or pericarditis occurred most often in adolescent and young adult males aged 16 years and older, within 7 days of receiving the second dose of an mRNA COVID vaccine -19 (Pfizer-BioNTech and Moderna). No similar trend was observed after receiving the Janssen COVID-19 vaccine (Johnson & Johnson). The CDC continues to recommend COVID-19 vaccination for everyone 6 months and older. The Advisory Committee on Immunization Practices (ACIP) and the CDC have determined that the benefits (such as prevention of cases of COVID-19 and its serious outcomes) outweigh the risks of myocarditis and pericarditis after receipt of mRNA COVID-19 vaccines. For more information: https://www.cdc.gov/vaccines/covid-19
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