The World Health Organization and the US Centers for Disease Control and Prevention continue to recommend everyone wear a face mask in crowded areas, regardless of vaccination status. While scientists are testing the effects of omicron on existing vaccines, it’s possible for people with breakthrough infections to spread any COVID variant. Although the CDC believes vaccinated people may be contagious for shorter periods of time, they can and do contribute to new COVID cases, especially for people who are asymptomatic and may not be aware they’re infected.

website: testingtheglobe.com