Some experts believe that India has just passed the peak — or, at any rate, the first peak — of coronavirus infections. In the last fortnight, the seven-day moving average of active cases nationwide has for the first time since March shown a distinct downward dip. But, as our lead editorial argues, it is the nature of this virus that initial peaks can be either illusions, or followed some months later by another rapid spread of infections and peaks. Continued vigilance and rapid action, particularly at the state level, would be required — regardless of what the nationwide total numbers may be