As COVID continues to mutate, people in Japan are applying unique technology to fight the maligned scourge. Developers of a sensor that detects airborne viruses in under a minute, and an expert in analysis who forecasts infections and consults the government. In addition, an antiparasitic drug created in Japan over 40 years ago is currently undergoing clinical trials as a potential treatment. We spoke with doctors on the frontlines of medicine to hear their diverse views.