How is the long spot on the comb of chicken?

There are two kinds of spots on the comb in the recent weather.

One is chicken pox. This kind of comb first has yellow pockmarked seeds, and gradually turns black and scabs off. Chickenpox is mainly caused by mosquito bites and cross infection. When chickenpox occurs, you need to be vaccinated in time.

One is tinea capitis. This kind of tinea capitis is generally flaky, which is caused by high temperature and humidity and mold growth.

Can be treated with fungus net.

Your condition is more likely to be chicken pox.