New Zealand telcos have been diplomatic in their attempts to gently explain that 5G poses no health risk - let alone being responsible for 5G.

But in a new clip, Aussie telco Telstra gives the tinfoil hat crowd a good rark-up.

Take it away, Telstra:

5G myths debunked

The persistence of conspiracy theories around 5G has even forced Prime Minister Jacinda Ardern to address the topic.

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She said there was no link between 5G and the virus and urged anyone who was concerned to refer to her Chief Science Advisor's website.

A comprehensive "What is 5G?" explainer on that site notes the difference between harmful ionising radiation, such as that produced by x-rays, that has enough energy to harm cells with prolonged exposure and non-ionising radiation (such as the radio frequencies used for 5G transmission, 5G phones and Wi-Fi) that does not have enough energy to damage cells.

Those concerned about 5G often cite that radiofrequency radiation was classified as a "possible human carcinogen" by the International Agency for Research on Cancer (an arm of the United Nations' World Health Organisation) in 2011.

The Chief Science Advisor's 5G Q&A puts this into context, noting the "possible" category - unlike the IARC's "probable" list - includes phenomena where a link to cancer cannot be completely ruled out and "catches many commonly encountered things, such as pickles and dry cleaning, so represents a low-risk rating. To put this in perspective, even the classification above this, 'probable human carcinogens,' includes widely encountered activities including drinking very hot drinks and working night shifts".