Nipponica

The main mutation of the virus currently spreading is KP.3, a subvariant derived from the omicron strain. KP.3 has strong transmission capabilities and can evade immunity, so even those who have been vaccinated or previously infected need to be cautious.

Of the past 10 waves of COVID-19, four have peaked in August. The virus has been replaced by new variants approximately every six months, and experts believe that the trend of infection spread in summer and winter will continue for the foreseeable future.