Covid-19: Do many people have pre-existing immunity? Swine flu déjà vu User 12nb34, in the The DOOMMM Club subreddit, 06 Sep 2021
20% to 50% of people have pre-existing immunity to covid-19 . . . without exposure. User 171771, in the Things I felt like showing to other people subreddit, 27 Jul 2021
In a study of donor blood specimens obtained in the US between 2015 and 2018, 50% displayed various forms of T cell reactivity to SARS-CoV-2 User TruePatriotLove_0, in the conspiracy subreddit, 15 Jul 2021
Covid-19: Do many people have pre-existing immunity User tarkay, in the Free-thinkers resisting the New Normal subreddit, 14 Jan 2021
At least six studies have reported T cell reactivity against SARS-CoV-2 in 20% to 50% of people with no known exposure to the virus User geocentrist, in the Conservative subreddit, 18 Nov 2020
Covid-19: Do many people have pre-existing immunity? User ct8g14, in the UK Politics subreddit, 27 Oct 2020
Covid-19: Do many people have pre-existing immunity? User ZephirAWT, in the Science: Uncensored. Science with no political censorship by Mods subreddit, 21 Oct 2020
Covid-19: Do many people have pre-existing immunity? User vergie19, in the /r/medicine: a subreddit for medical professionals subreddit, 25 Sep 2020
Covid-19: Do many people have pre-existing immunity? User Philofelinist, in the LockdownSkepticism subreddit, 22 Sep 2020
Pre-existing T-Cell Immunity from Human Coronaviruses? User ComicMispeling, in the Slate Star Codex: In a Mad World, All Blogging is Psychiatry Blogging subreddit, 20 Sep 2020
Covid-19: Do many people have pre-existing immunity? User Calcifer_123, in the ConservativeKiwi subreddit, 20 Sep 2020
BMJ - Covid-19: Do many people have pre-existing immunity User gobbytree, in the Debate Vaccines subreddit, 19 Sep 2020
British Medical Journal: Do many people have pre-existing immunity? User jleeva, in the Novel Coronavirus (COVID-19) subreddit, 18 Sep 2020
Covid-19: Do many people have pre-existing immunity? User claweddepussy, in the LockdownSkepticism subreddit, 18 Sep 2020
At least six studies have reported T cell reactivity against SARS-CoV-2 in 20% to 50% of people with no known exposure to the virus. User btownlocal001, in the BloomingtonModerate subreddit, 17 Sep 2020
Covid-19: Do many people have pre-existing immunity? User PatientModBot, in the patient_hackernews subreddit, 17 Sep 2020
Covid-19: Do many people have pre-existing immunity? User qznc_bot2, in the Hacker News subreddit, 17 Sep 2020
Hacker News: Covid-19: Do many people have pre-existing immunity? User Faction_Chief, in the All News, No Censor subreddit, 17 Sep 2020
Covid-19: Do many people have pre-existing immunity? User akg_67, in the Novel Coronavirus (COVID-19) subreddit, 17 Sep 2020
Covid-19: Do many people have pre-existing immunity? User mulvya, in the LockdownSkepticism subreddit, 17 Sep 2020
Covid-19: Do many people have pre-existing immunity? User jleeva, in the COVID-19 subreddit, 17 Sep 2020