Serology Study

Howard County and researchers from the Johns Hopkins Applied Physics Laboratory (APL) are looking for Howard County residents to help us understand how COVID‐19 has impacted our community. 

It has been difficult for researchers to fully understand the impact of the virus on our community since some people had COVID-19 but didn’t show any symptoms.  Even if residents didn’t show any symptoms, their bodies made antibodies in response to a COVID-19 infection. This study will look for antibodies in the general population's saliva to better understand the scope of the virus in Howard County.  

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What is a SARS‐CoV‐2 antibody test?

An antibody test, also called a serology test, typically checks for antibodies in your blood or saliva, which shows whether you might have been infected in the past with SARS‐CoV‐2, the virus that causes COVID‐19. Antibodies are proteins that your body makes in response to an infection. It typically takes 1 to 3 weeks after someone becomes infected with SARS‐CoV‐2 for their body to make antibodies. An antibody test cannot determine if you had a SARS‐CoV‐2 infection at the time your sample was collected. It can only tell you if you were infected with the virus in the past. This saliva based antibody test can tell if you were previously infected even if you have been vaccinated. This test will help us estimate how many people in the community have been infected and better understand how COVID‐19 may be spreading in the community.

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