Testing

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Anyone know how the testing of random people shows new variants, I thought they just shown negative or positive?
 
They send suspected swabs off for further analysis:

BBC News - Omicron: How do you detect it?

The 'suspicion' is probably nothing more than "have they had any contact with people recently in South Africa?" at the minute.
 
They send suspected swabs off for further analysis:

BBC News - Omicron: How do you detect it?

The 'suspicion' is probably nothing more than "have they had any contact with people recently in South Africa?" at the minute.
Thanks.

Sounds a bit iffy doon’t it?
 
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