Experts say despite recent headlines we still don't know how long our immunity to COVID-19 lasts and they're still optimistic about a vaccine.
So what does this means for vaccines against SARS-CoV-2?
There is much we still don't know about our body's immune response to coronavirus, and what role other parts of the immune system might play in developing immunity. She points to the role of B cells that produce antibodies and 'remember' viruses they encounter and so work much quicker next time around.Download the ABC News app and subscribe to our range of news alerts for the latest on how the pandemic is impacting the world
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