Which of the following is true for the COVID$-19$ pandemic?

Question $20$Answer

a$.$

For countries that enforced the vaccine mandate, allowances were made to exempt persons on grounds of religious beliefs or a pre$-$existing medical condition.

b$.$

For countries that enforced the vaccine mandate, allowances were made to exempt persons who opted to work from home for the first three months of the pandemic.

c$.$

For countries that enforced the vaccine mandate, reasonable accommodation was only given for children.

d$.$

For countries that enforced the vaccine mandate, reasonable accommodation was given to persons regarding the booster.