General
New research suggests immunity to COVID-19 is better than we first thought
Early in the pandemic, many researchers feared people who contracted COVID could be reinfected very quickly. This was because several early studies showed antibodies seemed to wane after the first few months post-infection.
It was also partly because normal human coronaviruses, which are one cause of common colds and are cousins of SARS-CoV-2, do not generate long-lasting immunity, so we can get reinfected with them after 12 months.
But new preliminary research suggests key parts of the immune system can remember SARS-CoV-2 for at least eight or nine months, and possibly for years.
Immune memory
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