Sobre os efeitos do frio em saúde pública (II)

The article discusses the public health risks associated with cold weather, particularly focusing on respiratory diseases caused by pathogenic microorganisms during autumn and winter. It highlights the seasonal nature of influenza, which circulates in colder months and requires annual updates to vaccine strains due to viral mutations. The history of flu vaccination is traced back to 1936, emphasizing its importance in preventing severe complications. Despite plans for a domestic vaccine production facility announced in 2006, the Ministry of Health continues to import all necessary vaccines. For the 2026/2027 season, 2.8 million vaccines have been procured, with specific guidelines for vulnerable populations, revealing disparities in vaccine access between regions.