Hacker News Reader

I thought the the argument against it is that survivors develop antibodies that neutralize the virus in vitro.

There's enough anecdotal evidence of re-infection that suggest otherwise, although there a wide variety of reasons for that -bad tests, they were never fully recovered in the first place, etc.

SARS is believed to use ADE, and COVID-19 is closely related to SARS.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3019510/ https://www.ncbi.nlm.nih.gov/pubmed/25073113

On the good news-ish side, a MERS vaccine entered into Phase 2 trials at Walter Reed late last year, although I can't find anything about that more recently. MERS is another coronavirus, but doesn't use ADE.

Reply on news.ycombinator.com