Peak season for viruses

When a wave of infection reaches its peak depends, among other things, on seasonal temperature fluctuations and changes in contact rates

In temperate latitudes, many viral infections occur more frequently in winter. Despite the fact that there are no seasons in the tropics, many infectious diseases still occur there with uneven distribution throughout the year. The
period in which a wave of infection reaches its peak depends on several factors, for example on seasonal temperature fluctuations or changes in contact rates among susceptible people. Researchers at the Max Planck
Institute for Infection Biology have managed to decipher the seasonality of chickenpox in Colombia. Their findings can help with the development of vaccination programs.

Frequency of influenza, measles, rotavirus, and chickenpox in Germany

Chickenpox in Colombia and Germany