COVID-19 Vaccine Tracker - See what’s the progress administering the virus globally
FareUpThere - Earn rewards for your feedback on flights
Vaccine Hunter - Find soon-to-expire COVID-19 vaccines, using local groups
Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.
GoGetVax - End-to-end vaccine distribution platform in the US
Eighty App - Convenient travel wishlist app with booking alerts