Gilemy is drumming and he's sitting across.

Gilemy is playing the drums with lots of strength.

He's sitting across from his little friend Daniel.

They're both the same age.

This is a little music session for them

as part of the therapy they get. Welcome to physiotherapy.

Céolado Tomaro Cafe

and de Poisson,

with you welcome to physiotherapy, Brazilian style.

We're in a brightly lit room filled with equipment, laughter, music, and two little toddlers.

Three years ago, a mysterious disease swept through the northeastern part of my country.

For most people, the Zika virus appeared as a short-term nuisance,

some rashes, some fever, some muscular pain, but a terrible after effect soon emerged.

A growing number of babies started being born with microcephaly, that is abnormally small heads. The cause it became known later was

Zika. If women got the disease during pregnancy, they ran a high risk of having babies with birth defects.

The World Health Organization declared a global health emergency. My name is Julia Kahneru and I'm a journalist with BBC News Brazil.

But Carnival this year happens amid concern about the spread of the Zeka virus and with all the recommendations being made to pregnant women to take precautions.

That's me reporting on the Zika crisis back in early 2016. But not long afterwards the

numbers of children born with microcephaly began to dwindle. The Zika outbreak

was coming to an end.

The Zika emergency is over, says the World Health Organization, but it's warning that the virus is still a significant threat.

I have never forgotten the women I met at the time,

...