Please make sure your browser supports JavaScript and cookies and that you are not blocking them from loading. For more information you can review our Terms of Service and Cookie Policy. The thinking behind it is different vaccines provoke different parts of the immune system  the main substances being antibodies and T cells. This genetic material is then naturally absorbed by cells which it forces to produce the 'spike' proteins found on the outside of the virus. That is above the 50% minimum set by the U.S. Food and Drug Administration.
The cookie and service regulations are then prescibed.
( z0 prescribe :ARG1 ( z1 regulate :ARG1 ( z2 and :op ( z3 cookie ) :op ( z4 serve ) ) ) :time ( z5 then ) )
(z0 / prescribe-02
    :ARG1 (z1 / regulate-01
              :ARG1 (z2 / and
                        :op1 (z3 / cookie)
                        :op2 (z4 / serve-02)))
    :time (z5 / then))
The cookie and service regulations are then prescibed .
z2 :op1 z3
z2 :op2 z4
z1 :ARG1 z2
z0 :time z5
z0 :ARG1 z1