if vaccinated or unvaccinated you are still a spreader
The CDC (USA) updated its guidance to say that fully vaccinated people who are exposed to someone with suspected or confirmed COVID-19 should be tested three to five days after exposure. They should wear a mask in public indoor settings for 14 days or until they receive a negative test result. https://publichealth.jhu.edu/2021/new-data-on-covid-19-transmission-by-vaccinated-individuals
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What is known about the rate of breakthrough infections vs infections among unvaccinated people?
There’s a difference between breakthrough infections and breakthrough disease.
Breakthrough infections occur when a fully vaccinated person tests positive for the SARS-CoV-2 virus. Breakthrough disease occurs when a fully vaccinated person experiences symptoms of COVID-19 disease.
Vaccines remain highly effective at preventing severe disease, breakthrough infections and disease among vaccinated individuals remain uncommon, and most of the new COVID-19 cases in the U.S. are among unvaccinated people.
Still, the exact rates of breakthrough cases are unknown at this time because cases may be asymptomatic and, until recently, the CDC didn’t recommend that vaccinated people be tested following exposure. For this reason, updated guidance states that vaccinated people should resume wearing a mask in indoor public areas, especially where there is high transmission of COVID-19. https://publichealth.jhu.edu/2021/new-data-on-covid-19-transmission-by-vaccinated-individuals
so we humans are waiting for a proper vaccine, not just one that may reduce symptom and hospital admissions.
