Vaccine FAQ How and What Archives - Delaware's Coronavirus Official Website

Pages Categorized With: "Vaccine FAQ How and What"

Will I still need to wear a mask after I have received the vaccine?

Only in certain situations. The CDC has recently updated its guidance regarding the use of face masks after being fully vaccinated (that’s two weeks after your second dose of a two-dose vaccine or two weeks after a dose of J&J). Check out their guidance on choosing safer activities here. In Delaware, face masks are required […]

What are the differences in the approved vaccines?

All three vaccines have slight differences, but all have been proven 100% effective in preventing death from COVID-19, based on data obtained in clinical trials. The Division of Public Health recommends that you take whichever vaccine becomes available to you rather than waiting for a specific brand, however, we understand that you may want to […]

What is an mRNA vaccine?

mRNA vaccines, which are what the Pfizer and Moderna vaccines are built on, safely teach our cells how to make a protein that in turn teaches your body how to make an antibody that fights the virus that causes COVID-19. This is what protects us from getting infected if the real virus enters our bodies. […]

How many shots are needed?

The Pfizer-BioNTech COVID-19 vaccine and the Moderna COVID-19 vaccine, both FDA-authorized for Emergency Use, require two shots. Individuals need to receive the same brand of vaccine for their second dose to be effective. The second shot of the Pfizer-BioNTech vaccine must be given three weeks after the initial dose. Moderna requires its second shot to […]

What are the ingredients in the vaccine?

The ingredients in Pfizer’s COVID-19 vaccine are listed on page 2 here. The ingredients in Moderna’s COVID-19 vaccine are listed on page 2 here. The ingredients in Janssen/Johnson & Johnson’s COVID-19 vaccine are listed on page 3 here. See DPH’s list of ingredients and allergy information for all three vaccines here.