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NZ should treat other serious respiratory infections like Covid-19, leading experts say.

A Covid modeller says a fourth summer wave is likely as a new variant emerges overseas.

Kalarny was a placid baby until it was discovered the reason why his life will be hard.

Around 20 children are currently in Wellington Hospital with respiratory illnesses.

Symptoms include 'sandpaper throat', head and body aches, runny nose and fatigue.

Experts warn it may be decades before the full impact of Covid-19 is known.

With winter fast approaching, the Herald examines how we're tracking with illness so far.

Opinion: Our premium subscribers have their say.

Covid practises should stay in place to stop the spread of the virus, say experts.

Health Ministry shelves plans for Covid-19 surveys, after more than a year of delays.