A spokeswoman for the World Health Organization stated that the coronavirus is not a seasonal virus and therefore, the infections do not depend on the season or the climate.

Influenza season is the time of year when acute respiratory infections (ARIs) related to influenza B, AH1N1, AH3N2, and other seasonal viruses increase.

This temporality coincides with the autumn and winter In the Northern Hemisphere, and although there is no exact date, ARI cases increase year by year from October to early March, with a peak in the increase in cases between December and February.

Photo: Elizabeth Fischer / National Institute of Allergy and Infectious Diseases / NIH

Although this trend continues in the majority of respiratory viruses and at the beginning of the pandemic it was suspected that SARS-CoV-2 would behave in the same way, the World Health Organization said on Tuesday that unlike others, the coronavirus does not exhibit the behavior of a seasonal virus.

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Dr. Margaret Harris, WHO spokesperson, explained that based on the scientific evidence currently available, it is possible to conclude that the season does not seem to affect the transmission of this virus and therefore, neither cold nor heat and other characteristics of the climate influence the spread of SARS-CoV-2:

“It is a new virus, and although it is respiratory, which historically tends to be seasonal, it behaves differently,” Harris explained.

The WHO recognized that the seven months that the virus has been circulating around the world are indicative of the above. In addition, it exemplified the situation of the United States and Brazil, the two countries with the highest number of infections, which are found in different hemispheres and therefore, while it is summer in the north, in South America it is winter and this has not been a factor that curb the increase in cases.

The WHO spokeswoman assured that although the climate is not a factor, the big social ones, not wearing a face mask and not following social distance measures are true factors that positively influence the transmission of the virus: “the coronavirus likes all climates and jumps from one person to another simply when they are around. “

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