No, it’s a regular email client.
Both require special clients.
This vaccine may not even be used on humans. It could also be used on other hosts of ticks and may lead to a potential future where the disease gets eradicated.
It’s always easy to say it’s not important until you’re affected yourself.
Do tld providers ignore this or why isn’t it getting blocked there too? Not just regarding this particular case
As komoot is just using openstreetmap data + some magic i would look into that direction.
OsmAnd is good but quirky