BUZZ-VBI Vaccines Inc: To be acquired by SciVac Therapeutics
** Vaccine developer VBI's shares up 11.5 pct at $2.66
** 421,266 shares changed hands by 11:55 a.m. ET, more than 115 times their 25-day average
** SciVac Therapeutics Inc to buy VBI with VBI shareholders receiving shares, options, warrants of SciVac representing 46 pct of combined company
** Combined company to have licensed hepatitis B vaccine and a pipeline of vaccine candidates
** Up to Friday's close, stock had fallen 30 pct this year
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