Data shows efficacy down to 64% from 94%, in drop attributed to spread of Delta variant; health official says most physicians agree booster shot needed for population at risk of serious illness, while Health Ministry still undecided; government to meet on new restrictions

Health Ministry says 343 people tested positive for coronavirus on Sunday, with 35 patients hospitalized in serious condition; 57.1% of serious patients have not been not vaccinated against COVID

Prof. Galia Rahav, head of infectious diseases at Sheba, tells Ynet the elderly and people with underlying health conditions will soon be able to get third vaccine jab; adds every single new case of Delta variant entering country, leads to 100 infections

Bar-Ilan University's Prof. Cyrille Cohen says booster shot 'no different' than two mandated jabs, stresses need instead to reintroduce measures on public gatherings; Bennett orders research on vaccine effectiveness over time