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Last year there was an 80% drop in cases because of Covid, but the problem is back again.

Hospital-acquired infections may account for 10-15% of Covid deaths.

One in three infants not immunised against pertussis.

Just five cases of flu have been detected in NZ this year, with implications for immunity.

Here's how to get your voice back to normal.

Mum says seeing her baby needing oxygen was one of the worst moments of her life.

February 28 marks four years since Covid 19 was first reported in New Zeal;and.

After two-year hiatus, scientists detect first cases in what could be a bumper flu season.

NZ's sixth Covid wave is likely close to peaking, but new variant KP.3 is gathering speed.

OPINION: Our editorial on a surveillance regime being devised.