AMBULANCE Victoria has confirmed it ferried five people to Echuca hospital following yesterday's crash on the Murray Hwy at Patho, about 30km west of Echuca.
The accident happened about 1pm.
An Ambulance Victoria spokeswoman said two of the victims are still in hospital, although one is expected to be released later today.
The other victim, a woman in her 50s, was being treated for serious back injuries.
One man in his 70s was also taken to the hospital with soft tissue injuries, a woman in her 60s with chest injuries and a woman in her 30s received knee injuries.
A male infant was also taken to the Echuca hospital for assessment but had no injuries.
The sixth person involved in the crash was not injured.
Police are still investigating the incident and asking anyone who may have witnessed the accident, or has any information about it, to contact them at Echuca police station on 5483 1500 or phone Crime Stoppers on 1300 333 000.