On: Covid vaccine: First ‘milestone’ vaccine offers 90% protection

[mancerayder]

But in a world of telephone scams and texts, how do you trust who's calling you and why?

[throwaway2245 → mancerayder]

The emergency alert system (which plays its own alarm tone) seems pretty trustworthy.

[mancerayder → throwaway2245]

Maybe, but it doesn't sound targeted? I have no idea how it works in that back end, but I've never heard of emergency numbers being specific to individual phone numbers.