Researchers say blood taken from inoculated people shows shot as effective against the mutation as it is against UK variant

Shin Bet unable to identify source of strain or new infections stemming from 3 members of Jerusalem family; early US research suggests mutation may weaken vaccine efficacy

New strains of COVID are extra-catchy or weaken vaccine defense, but their prevalence is unclear; an upgrade to an existing monitoring system provides vital health intelligence

3 diagnosed with strain, all in same family, said not to be cooperating with contact tracers; preliminary US research suggests mutation may potentially weaken vaccine efficacy

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R-value shows virus spread nearly at point of expansion again; health minister implores Jerusalemites to 'leave the parties until after the coronavirus'

Team suggests reassessing plans to further ease restrictions; new mutation on rise in NYC shares characteristics with South African strain, may curb vaccine effectiveness

Significant number of recent cases contain mutation that could potentially weaken the effectiveness of existing vaccines

Research shows extra-infectious virus variant has proven 45% more transmissible in country, but vaccination halted its rise among at-risk populations, saving ‘many’ lives

With hotel quarantine requirement about to expire, top ministers agree to further restrict entry to country over virus variant fears