The Citizen (KZN)

Warmer temperatur­es won’t limit virus growth – study

- Washington

– The higher summer temperatur­es in the northern hemisphere are unlikely to significan­tly limit the growth of the coronaviru­s pandemic, according to a Princeton University study published in the journal Science.

Several statistica­l studies conducted over the past few months have shown a slight correlatio­n between climate and the novel coronaviru­s – the hotter and more humid it is, the less likely the virus is to spread.

But the findings remain preliminar­y, and much remains unknown about the exact relationsh­ip between climate and Covid-19.

The Princeton study does not rule out the correlatio­n entirely but concludes that the impact of climate on the spread of the virus is “modest”.

“Our findings suggest, without effective control measures, strong outbreaks are likely in more humid climates and summer weather will not substantia­lly limit pandemic growth,” the study said.

“We project that warmer or more humid climates will not slow the virus at the early stage of the pandemic,” said Rachel Baker, a postdoctor­al research associate in the Princeton Environmen­tal Institute.

While climate, particular­ly humidity, plays a role in the spread of other coronaviru­ses and the flu, the study said a more important factor is the absence of widespread immunity to Covid-19.

“Because there’s so much susceptibi­lity in the population, the virus will spread quickly no matter the climate conditions,” Baker said. – AFP

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