What is the truth on humidity and coronavirus? How scientists are split

Swathes of studies suggest low humidity leads to Covid-19 spread. But US academics flipped the theory on its head yesterday and said the virus is fuelled by hot humidity. https://www.dailymail.co.uk/news/article-8643037/What-truth-humidity-coronavirus-scientists-split.html?ns_mchannel=rss&ns_campaign=1490&ito=1490