see family Bunyaviridae

The virus families most closely related to Lassa Fever virus are the arenaviruses, as well as bunyaviridae and orthomyxoviridae. Lassa Fever virus is in the aernavirus family.

This a viral disease compared to valley fever in the South West US which is an inhaled fungal disease.

The disease is caused by the RVF virus, a member of the genus Phlebovirus in the family Bunyaviridae. The disease was first reported among livestock by veterinary officers in Kenya, Africa.

Viral hemorrhagic fevers which are a diverse group of animal and human illnesses in which fever and hemorrhage are caused by a viral infection. They may be caused by five distinct families of RNA viruses: the families Arenaviridae, Filoviridae, Bunyaviridae, Flaviviridae, and Rhabdoviridae (according to Wikipedia).

This a viral disease compared to valley fever in the South West US which is an inhaled fungal disease.

The disease is caused by the RVF virus, a member of the genus Phlebovirus in the family Bunyaviridae. Found in Africa.

Any group of people who can't work is going to impact the economy. As far as RVF, the number of animal infected would reduce the food available.