Effects of Previous Infection and Vaccination on Symptomatic Omicron Infections.

N Altarawneh, Heba; Chemaitelly, Hiam; H Ayoub, Houssein; Tang, Patrick; R Hasan, Mohammad; M Yassine, Hadi; A Al-Khatib, Hebah; K Smatti, Maria; Coyle, Peter; Al-Kanaani, Zaina; Al-Kuwari, Einas; Jeremijenko, Andrew; H Kaleeckal, Anvar; N Latif, Ali; M Shaik, Riyazuddin; F Abdul-Rahim, Hanan; K Nasrallah, Gheyath; G Al-Kuwari, Mohamed; A Butt, Adeel; E Al-Romaihi, Hamad; H Al-Thani, Mohamed; Al-Khal, Abdullatif; Bertollini, Roberto; J Abu-Raddad, Laith

doi:10.1056/nejmoa2203965

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Effects of Previous Infection and Vaccination on Symptomatic Omicron Infections.

Shared by NobleBlocks on Jul 7, 2022 • 12:00 AM UTC

Authors:

Heba N Altarawneh

Hiam Chemaitelly

Houssein H Ayoub

Abstract

BACKGROUND: The protection conferred by natural immunity, vaccination, and both against symptomatic severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection with the BA.1 or BA.2 sublineages of the omicron (B.1.1.529) variant is unclear. METHODS: We conducted a national, matched, test-...

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