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132

Bird flu virus shows mutations in first severe human infection in US, CDC says (www.theguardian.com)

submitted 2 days ago by MicroWave@lemmy.world to c/health@lemmy.world

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Summary

The CDC identified rare mutations in the bird flu virus from the first severe U.S. human case, found in a Louisiana resident over 65 with severe respiratory illness.

The mutations, located in the hemagglutinin (HA) gene responsible for cell attachment, differ from those in local backyard flock samples and align with severe cases seen abroad.

The patient was infected with the D1.1 genotype, recently found in U.S. wild birds and poultry, not the B3.13 genotype seen in humans and livestock elsewhere.

The CDC states no person-to-person transmission occurred, and public risk remains low.

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[–] NotMyOldRedditName@lemmy.world 2 points 1 day ago* (last edited 1 day ago) (1 children)

All masks require a fit test to be sure they are working properly.

You won't be allowed to use any authorized mask without a fit test if it's in a mandatory work setting.

[–] zephorah@lemm.ee 1 points 21 hours ago (1 children)

Fit tests are not conducted on any but the N95 type and other airborne gear.

[–] NotMyOldRedditName@lemmy.world 2 points 14 hours ago* (last edited 14 hours ago)

That's just flat out not true.

A location might not accept anything but a fit test on a n95 mask, but you can walk into any place and have them do a test.

I got fit tested for a n95 when I wanted to do air travel, and they said they could test my KF94 as well, they just couldn't offer a certificate to use it anywhere.

The other masks don't just magically have a 100% fit rate, and if you really wanted to know if it fits at all you can get it checked.