The spiritual vaccine or divine shield that protects believers from any fear of contracting Covid-19 and its variants, or from any phobia of experiencing severe side effects after being vaccinated against the coronavirus.
Merely reading or proclaiming Psalm 91 over someone’s life is no recipe or guarantee to combating Covid-19, unless they abide in Christ and He in them—faithful obedience is a sine qua non to receiving divine protection or healing against any plague or pandemic.