Too bad they are waiting in the Philippines for a survey result.
Front line health workers in the uSA have been using Ivermectin for months as prophylaxis against Covid 19/
You can see the protocol here:
Ivermectin Protocol from Covid 19 Health Worker Alliance:
https://covid19criticalcare.com/wp-content/uploads/2020/11/FLCCC-I-MASK-Protocol-v4-2020-11-22.pdf
Updated 4-26-21 (check date at bottom of page in link below):