Victoria police allege Point Cook man Joshua Brown sexually assaulted infants and children in his care at a western suburbs childcare centreFollow our Australia news live blog for latest updatesGet our breaking news email, free app or daily news podcastVictorian health authorities are recommending that 1,200 children are tested for infectious diseases after a Melbourne childcare worker was charged with allegedly sexually abusing infants and children in his care.Police on Tuesday confirmed that a Point Cook resident, Joshua Brown, 26, had been charged in May with more than 70 offences relating to eight alleged victims aged between five months and