COVID reinfections appear to be surging in the latest Omicron wave. Here's what we know - ABC News

When Lyndall recovered from her second COVID infection, she thought she had months of immunity. Just six weeks later, she was battling the virus again.

When Lyndall Heather caught COVID-19 for a third time this year, she initially didn't believe she had it. Just six weeks on from her second COVID infection, the Darwin nurse was well within the immu… [+7206 chars]

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