Quite rightly, the main news over Fonterra's infected products has been the physical threat to the customer, writes Matt McCarten. Or more importantly, the children of its customers.

If you've had a bad week at work, I hope you're having a relaxing and wonderful weekend. And no matter how bad your week was, it surely can't have been as bad as the week the Fonterra management and board have had.

Chinese consumers haven't been mincing their words over the Fonterra botulism debacle this week.

Questions remain over the status of potentially contaminated Karicare infant formula sold through unofficial channels in China, despite Fonterra's assertions that all products affected by its botulism scare have been contained.

British news website Daily Mail Online says New Zealand's claims to be clean and green are "pure manure".

Fonterra has admitted sending potentially contaminated whey protein concentrate to a high school after it was requested for a science project late last year.

The head of Federated Farmers has apologised to Chinese dairy consumers over Fonterra's botulism scare.

The Government has repeated its vow to hold an investigation into Fonterra after a "frank and thorough" meeting with executives at the Beehive.

Fonterra chairman John Wilson said yesterday he was "deeply concerned" by the infant formula contamination scare.

Helplines are still being flooded with queries from thousands of concerned parents following Fonterra's infant milk contamination scandal.

Kiwi baby formula companies are having orders cancelled in China and contract negotiations with Chinese customers terminated.

Public relations sharks are circling Fonterra and what is believed to be New Zealand's biggest image handling contract.

Roughly 70 per cent of NZ exports come from primary industries, writes Toby Manhire. Fonterra alone is about 10 per cent of the economy. When the sector sneezes, the country catches cold.

Fonterra's board will conduct a "full, thorough, formal review'' into the handling of the infant formula contamination scandal, says the Fonterra chairman.

Fonterra chief executive Theo Spierings has apologised to New Zealand but this is just the start and he will need to do more, writes Liam Dann.

"Was the Fonterra milk scandal caused by New Zealand being 'hostage to a blinkered devotion to laissez-faire market ideology'?" asks Bryce Edwards.

Fonterra head Theo Spierings - just back from China - delivers an apology to NZ over the formula scare, but dodges questions about his own performance.

It was in a rather grand display of statesmanship that Labour leader David Shearer stood in Parliament on Tuesday to talk about the Fonterra whey powder contamination

Fonterra chief executive Theo Spierings reckons Fonterra's reputation will be fully restored in the Chinese market.

Fonterra's infant formula scare appeared to have little impact on dairy prices.

Fonterra's chief apologised to consumers and the New Zealand public at a press conference today, saying all contaminated stock had been contained.

Fonterra said it had been fined $900,000 following the conclusion of a review by Chinese authorities into the pricing of dairy products in the people's republic.

International dairy prices made a "modest" fall at the first global dairy auction to be held in the aftermath of the Fonterra infant formula scare.

"Their inability to tell us with confidence that our two babies will not fall ill from any of its products ... is unforgivable."

The baby milk botulism scare comes to light after changes at the top of Fonterra - including moves by the company to take more direct control of its communications strategy.