But Imperial has been repeatedly criticised for its pessimistic Covid models, which predicted 250,000 deaths in the first wave without further action. But rather than acting as a vaccine, its version aims to prevent Covid infections by capturing the virus in the nose. 'PREMATURE' TO BLAME COVID-19 VACCINE IN KANSAS WOMAN'S DEATH, HEALTH OFFICIALS SAYU.K. and EU regulators have both since confirmed the vaccine does not heighten the overall risk for blood clotting, and actually likely reduces the risk because COVID-19 disease itself is a precursor for coagulation. It's thought that nasal sprays may better target immune cells in the lungs, throat and nose, making them even more effective at defending against Covid. Experts warned vaccine hesitancy will lead to flare-ups in cases and hospitalisations which could see lockdown restrictions in place for longer.
more than 3,000 people have already participated in the safety study.
( z0 participate :ARG0 ( z1 person :quant ( z2 more-than :op 3000 ) ) :ARG1 ( z3 study :ARG1 ( z4 safe ) ) :time ( z5 already ) )
(z0 / participate-01
    :ARG0 (z1 / person
              :quant (z2 / more-than
                         :op1 3000))
    :ARG1 (z3 / study-01
              :ARG1 (z4 / safe-01))
    :time (z5 / already))
more than 3,000 people have already participated in the safety study .
z2 :op1 0
z1 :quant z2
z0 :time z5
z0 :ARG0 z1
z3 :ARG1 z4
z0 :ARG1 z3