Name: 天氣變暖會不會讓COVID-19停止？ (Will Warm Weather Stop COVID-19?)
Uploaded: 2020-11-30T18:26:02.000Z
Duration: 7 min 53 s

will die down when warmer weather arrives.

當溫暖的天氣到來時，將逐漸消失。

Donald Trump: Looks like by April, you know,

唐納德・特朗普看起來像四月，你知道。

理論上，當它變得更溫暖一些。

So, why do so many people think that summer

那麼，為什麼有那麼多人認為，夏

Jeffrey Shaman: We get these big surges of seasonal flu

傑弗裡-沙曼We get these big surges of seasonal flu (季節性流感)

in July and August, in the Southern Hemisphere,

places like Australia, New Zealand, South Africa.

流感在寒冷的季節裡傳播的更多。

when people are more likely to gather in enclosed spaces,

當人們更容易聚集在封閉的空間裡。

which is why strict physical-distancing laws

once people go back to their offices, schools

The second hypothesis has to do with your immune system.

第二個假設與你的免疫系統有關。

Immune systems have been found to be better

people might have a better chance of fighting off

And also why you may have seen suggestions

during this pandemic to spend time safely outdoors,

在這次大流行期間，要安全地在戶外活動。

for example, on a balcony or in your garden,

third seasonality hypothesis, the environment.

那是因為COVID-19和流感都是如此

Studies have found that the transmission levels

decrease when the influenza virus encounters

That's the opposite of what we see during winter,

這與我們在冬季看到的情況正好相反。

where cold temperatures go hand in hand with dry air.

在這裡，低溫與乾燥的空氣並存。

One study found that when humidity levels

only 14% to 22% of the flu virus particles

such that it doesn't last as long in the summertime

以至於在夏天的時候，它不會持續那麼久。

And that may encourage and allow the transmission,

and hence we see these surges in the wintertime.

是以，我們在冬天的時候就會看到這些潮水。

Narrator: And scientists have a few answers

The influenza virus is a simple genetic code

流感病毒是一個簡單的遺傳密碼。

surrounded by a protein layer and a fatty envelope,

a layer of water encapsulates it as well.

Some scientists believe that in high-humidity environments,

有科學家認為，在高溼度環境下。

making the virus much lighter and airborne for longer.

使得病毒更輕，在空氣中傳播的時間更長。

The water droplet and virus are not alone.

and one study found that as the water droplets

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天氣變暖會不會讓COVID-19停止？ (Will Warm Weather Stop COVID-19?)

susceptible

immune

pandemic

epidemic