South Korean graduate student Kim Hyun-jin sits with her thumbs flailing away at the screen of her phone, hoping to land a click on an online map that will get her the leftover coronavirus vaccine that someone in her Seoul neighborhood missed.

But after 10 days of ¡°mad clicking,¡± Kim, 32, has come away with nothing as vaccines are scarce amid a surge in new COVID-19 cases that started last week and is setting daily records.

¡°It's like war,¡± Kim said, showing a map on her phone that shows no vaccines are available in southern Seoul. ¡°It never comes up no matter how madly you click, and I'm angry and hopeless, wasting my time.¡±