Cases of reinfection of COVID-19 have been reported but are rare. In general, reinfection means a person was infected (got sick) once, recovered, and then later became infected again. Based on what we know from similar viruses, some reinfections are expected.
The delta variant, which is more than two times as transmissible as the original strain of the coronavirus, now accounts for 83% of new coronavirus cases in the United States.
Delta continues to be the central concern for public health officials.
The delta variant it's not the only variant circulating in the population.
The lambda variant, first identified in Peru, is also making headlines as it has started to be identified in several states. Houston Methodist Hospital reported its first case of the variant this week.
Scientists at the Medical University of South Carolina recently announced they had found the variant in a virus sample taken in April.
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