For sure the order of importance if this malaria drug is preventative would be, critical military read nuclear missile subs, missile silos,SAC pilots ect ,high level government officials executive at the Secretary and up, ll of congress ,SCOTUS, then doctors,nurses,paramedics,law enforcement, fire,then critical infrastructure power grid, water plant,sewage workers. Way way down the list is joe plumber and us deplorables.
The drug is very common and very inexpensive. Bayer is already donating millions of doses