Rift Valley fever

He had seen cholera, malaria, Rift Valley fever and, in early June, he was worried about the new coronavirus.

All untreated mice infected with Rift Valley fever virus died within 3 days, but more than 20% of the rodents that received a trio of linked antibodies were still alive after 10 days.

He says there’s a “high probability” that migrating mosquitoes carry with them other important pathogens, such as the virus that causes Rift Valley fever.

There are no vaccines or treatments for Rift Valley fever.

Officials said the man's condition had improved throughout the day, and that his tests found no sign of yellow fever, dengue, Marburg virus or Rift Valley fever either.