Fully vaccinated people are most often protected against COVID-19 severe illness and hospitalization.
There is still a small chance a fully vaccinated person can get a breakthrough infection and test positive for the Delta variant of COVID-19.
Most vaccinated people who contract the Delta variant of COVID-19 are either asymptomatic or experience very mild symptoms.
Based on information gathered from UC Davis Health, here are some of the most common symptoms that do show up in fully vaccinated people who test positive for the Delta variant of COVID-19:
- Cough
- Fever
- Headache
- Loss of sense of smell
These symptoms do not differ too much from the symptoms fully vaccinated people experience if they are experiencing a case of the original coronavirus strains.
Based on reports from people infected with the coronavirus noted in the Zoe COVID symptom study, the five most common symptoms among fully vaccinated people with the virus are:
- Headache
- Runny nose
- Sneezing
- Sore throat
- Loss of smell
Although no vaccine is 100% effective, breakthrough infections are rare.
Health professionals expect about 90% of fully vaccinated individuals to be protected by one of the three vaccines approved by the U.S. Food and Drug Administration (FDA), and the remaining 10% of those vaccinated to be at risk for infection.
As of Aug. 9, more than 166 million people in the U.S. were fully vaccinated, and only about 0.005% have reported breakthrough cases of COVID-19 that led to hospitalization or death, according to the Centers for Disease Control and Prevention (CDC).
Related stories about the Delta variant:
Delta variant symptoms: Are they different? Are they worse? Here’s what to know
What is the Delta variant of COVID? Do vaccines work against it? Here’s what to know
Is a runny nose a symptom of the Delta variant of COVID?
Is a sore throat a symptom of the Delta variant of COVID?
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