Why Was My Titer Negative After My COVID-19 Vaccine?
After you are fully vaccinated, your SARS-CoV-2 titer test might be negative if it isn’t measuring the spike protein.
negative titers
Vaccine Titer Testing
Vaccine titer testing is available to confirm your immunity for some vaccine-preventable diseases.
How Do You Know If You Have Measles Immunity?
Two doses of MMR vaccine is the best way to make sure that you have measles immunity and are protected during an outbreak.
How Could Seven of My Vaccinated Kids Have the Measles Right Now?
Could seven vaccinated kids really have measles or does a much more common viral infection fit their signs and symptoms?