Members of the Senate Health Committee demanded to know why the ministry procured PPE, face masks and others from Unicef.
Ms Mochache requested the Senate team for more time as the lawmakers expressed fears that taxpayers may have lost money.
Lawmakers want the Ministry of Health to explain why it bypassed the Kenya Medical Supplies Authority (Kemsa) during the procurement of Covid-19 protective gear but instead awarded the tender directly to a UN agency.
Procuring of pharmaceuticals and medical equipment is a Kemsa function.
