Sao Paulo

Luke O'Neill: Lupus breakthrou...

Luke O'Neill: Lupus breakthrough 'could work in other autoimmune diseases'

Payment with a smile: The new...

Payment with a smile: The new way to pay?

Brazilian hospitals 'running l...

Brazilian hospitals 'running low on sedation medication for intubation', doctor warns

Brazil's president sends in ar...

Brazil's president sends in army to tackle Amazon wildfires