Israel: We don’t know how long booster shot will be effective

… the Ministry has found that the immunity against COVID provided by the Pfizer vaccine wanes after five months

… it remains unclear how longer the booster shot will extend protection for

… to shorten the validity of ‘green passes’, effectively requiring a third

… if I know that the vaccine no longer protects a person after half a year from his vaccination, it isn’t logical for him to be able to enter an event with 5,000 people