As tens of thousands of people arrive in Rio de Janeiro for the Summer Olympics, millions of mosquitoes, some perhaps carrying the Zika virus, await them.
But what may be the best repellent around is also the hardest to get.
Related Topics: Mosquito
As tens of thousands of people arrive in Rio de Janeiro for the Summer Olympics, millions of mosquitoes, some perhaps carrying the Zika virus, await them.
But what may be the best repellent around is also the hardest to get.