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As it has been with corona viruses since the dawn of humankind

Necessity of COVID-19 Vaccination in Previously Infected Individuals: A Retrospective Cohort Study
Background. The purpose of this study was to evaluate the necessity of COVID-19 vaccination in persons previously infected with SARS-CoV-2. Methods. Employees of the Cleveland Clinic Health System working in Ohio on Dec 16, 2020, the day COVID-19 vaccination was started, were included. Any subject w…
The cumulative incidence of SARS-CoV-2 infection remained almost zero among previously infected unvaccinated subjects, previously infected subjects who were vaccinated, and previously uninfected subjects who were vaccinated, compared with a steady increase in cumulative incidence among previously uninfected subjects who remained unvaccinated. Not one of the 1359 previously infected subjects who remained unvaccinated had a SARS-CoV-2 infection over the duration of the study

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Fully-Vaccinated Napa Woman Dies of COVID-19
Napa County has reported its first death from COVID-19 in a fully vaccinated patient, a county spokesperson said Thursday.