It's long as in persistent viral colonization, often in immune privileged areas where the virus can hide from the immune system.
One theory is that the immune system doesn't always produce a strong enough antibody response to flush the virus from all these areas but the truth is that's likely only a subset of total cases.
One theory is that the immune system doesn't always produce a strong enough antibody response to flush the virus from all these areas but the truth is that's likely only a subset of total cases.