India: 17 chickenpox outbreaks in week 9 of 2026, the most since week 18 of 2016.

A record says how long it has been since the series was this high or this low. It puts a single value in the context of the whole published history.

For chickenpox outbreaks, neither a rise nor a fall is better in itself, so the observatory marks this movement as unusual rather than good or bad.

510 consecutive earlier weeks were lower. It extends a run of new highests that began earlier.

Full history of chickenpox outbreaks in India