{{Cite journal| doi = 10.12688/f1000research.110593.1| issn = 2046-1402| volume = 11| pages = 337| last1 = Kalk| first1 = Andreas| last2 = Sturmberg| first2 = Joachim| last3 = Van Damme| first3 = Wim| last4 = Brown| first4 = Garrett W.| last5 = Ridde| first5 = Valéry| last6 = Zizi| first6 = Martin| last7 = Paul| first7 = Elisabeth| title = Surfing Corona waves – instead of breaking them: Rethinking the role of natural immunity in COVID-19 policy| journal = F1000Research| access-date = 2022-10-04| date = 2022-03-21| url = https://f1000research.com/articles/11-337/v1}}