Why are these three presidents downplaying coronavirus warnings?

Brazilians have been tricked by the media over a "little flu," according to president Jair Bolsonaro. Families should still go out to eat despite coronavirus fears, says Mexico's president Andres Manuél Lopez Obrador. And Nicaragua's leader Daniel Ortega has all but disappeared, while political marches and rallies continue.

source https://www.cnn.com/2020/03/24/americas/coronavirus-latin-america-presidents-intl/index.html