Dr. Evelien Bunnik, Microbiology, Immunology and Molecular Genetics, and Dr. Tom Patterson, Infectious Diseases, are quoted in this article.
Additional media coverage:
https://www.ndtv.com/world-news/immune-memory-less-durable-post-severe-covid-study-2669286
https://arabic.rt.com/health/1307879
https://www.donga.com/en/List/article/all/20211228/3110089/1
https://todayuknews.com/health/immune-memory-less-durable-after-severe-covid-19-study-suggests/
https://www.siasat.com/immune-memory-becomes-less-durable-post-severe-covid-study-2248454/
https://www.tovima.gr/2021/12/27/science/i-varia-covid-19-svinei-tin-anosologiki-mnimi/
https://www.miragenews.com/immune-memory-less-durable-after-severe-covid-700506/
https://medicalxpress.com/news/2021-12-immune-memory-durable-severe-covid-.html
https://www.ammonnews.net/article/654994
https://www.italiasalute.it/7106/Covid-rischio-di-reinfezione-pi%C3%B9-alto-per-forme-gravi.html
https://www.nouvelles-du-monde.com/memoire-immunitaire-moins-durable-apres-covid-19-severe-etude/
http://salutedomani.com/article/covid_memoria_immunitaria_meno_duratura_dopo_la_forma_grave_32879
http://www.ebiotrade.com/newsf/2021-12/20211224064348126.htm
https://alsadaranews.com/health/news324917.html
https://www.arnewsnoticias.com/2021/12/memoria-imunologica-e-menos-duravel.-apos-grave-covid.html
https://www.austinnews.net/news/272016327/study-finds-immune-memory-less-durable-post-severe-covid