With the press reporting 23 fold reductions in antibody levels to the novel coronavirus after just 3 months, and stage 3 vaccine approval still many months away – the question of how long immunity lasts couldn’t be more pressing.
How does the immune system work? What’s different about SARS-CoV-2?
And how long before those of us who’ve had it already start catching it again? We’ve got a best guess – let’s see if we’re right.
0:00 Introduction
0:22 Declining Antibodies
1:30 The Immune System
2:14 The Three Phases
5:25 B Cells
8:30 Conclusion
REFERENCES:
Declining Antibodies, The Guardian
Can You Catch it Twice?, New York Times
Ed Yong, The Atlantic:
Chinese / Japanese Reinfection, New York Times
Antibody Tests test wrong Antibodies, New York Times
Florian Krammer, B Cells
Cross Reactive T-Cells, BBC Future
Prof Shane Crotty
Beware Sputnik, The Times
