… waning protection of a previous BA.1/BA.2 infection against BA.5, we divided the period of
BA… BA.2 infection we calculated RR of infection in two different populations. A. We studied the …

… faster and evade antibodies more readily than earlier variants and thus increasing the chances
of reinfection and breakthrough infections … response which usually wanes within months …

… BA.5 by neutralizing antibodies induced by prior infections or … lack of protection conferred
by Delta infection is due to waning … rapid dissemination before the emergence of new variants. …

… induced by the combination of vaccination and infection. In the context of previous reports
of reduced and rapidly waning vaccine effectiveness against omicron and its sublineages, …

… With the substantial omicron surge contemporaneous with rapid antigen detection tests (…
among the infection-naïve, waning vaccine protection over time may better justify booster doses. …

… protection against Omicron infection, but decreased rapidly … design that infection- and
vaccine-induced protection of the … and previous infection, the waning of protection was observed …

… induced upon infection with Omicron variant may counter virus replication and spread. Waning
… % in TEER values after 24 h pi suggesting rapid induction of cell death and disruption of …

… protection of prior immunity against these subvariants, whether immunity is induced by prior
infection… more recently, rapid antigen tests conducted at healthcare facilities (from January …

… BA.2 infection can be due to the induction of a more effective … of protection for individuals
infected with SARS-CoV-2 pre-… immune evasion and more rapid waning was well illustrated …

… Protection was substantially lower for the omicron BA.1 variant and declined more rapidly
over time than protection against previous … protection from re-infection from all variants wanes …