That does not mean catching it from a fleeting exposure to a person you pass in the corridor, but rather a person infected with Delta pushes out a lot of small, light particles which hang in the air.
When someone walks through these particles without a mask, they are at risk of becoming infected.
‘‘This strain has learnt to infect with fewer particles.’’
These particles can remain in the air for five to 10 minutes, or even longer indoors, she said.
‘‘If you’ve only had one [vaccine] dose, plus about 14 days, assume you’re not protected.
‘‘Once you have the second dose, you are protected.’’
Prof McLaws said the Pfizer vaccine offered good protection after both doses.
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The "delta variant" appears much like Al Qaeda morphing into ISIS and then Al Nusra etc... which were known for a long time to be a facade, a cover for a USA-Israeli-Saudi-UK (etc) proxy war... however the news media continued to promote the false narrative for years as a mouthpiece for these actual terrorists and in this way promoted the terror and the fear itself.
Here again we have top-down bureaucracy order-followers; yes-men and true-believers of both covid response/testing orders and of news-media propaganda ...that cannot comprehend (or publicly admit) that this pandemic is exaggerated in several already-known ways and appears to be a social-engineering operation intending a global power-grab by significantly de-powering the general population through manipulated consent. Through fear, threats, lies and censorship.