Variations of cosmic and geophysical processes and possible impact on the development of the COVID-19 pandemic

The concept of planetary boundaries defines nine areas mostly affected on Earth health. One of these areas connected with the ozone layer state is responsible for ultraviolet (UV) flow reaching Earth’s surface. There is a close relationship between solar activity and geomagnetic indices and changes in polar ozone under the influence of solar radiation. This work discusses the relationship between the geomagnetic index A _p , the total ozone content as secondary indicators of solar activity, and the incidence of COVID around the world for the period from January 1, 2020, to May 1, 2021, when there were the first and second waves of the incidence of the virus. Obtained comparative analysis of geomagnetic index Ap and TO in the last solar cycle reveals that geophysical variations can foster favorable conditions for pandemics. The 25th solar cycle's peak in 2024 aligns with the onset of the COVID-19 pandemic, consistent with previous research. Increased GCR and UV radiation during solar cycle minima further influence Earth's conditions. The pandemic coincided with heightened solar activity after the 24th cycle's minimum and the secular maximum of GCR. Geomagnetic disturbances and reduced TO levels in both hemispheres exacerbated the COVID-19 waves, accelerating case development.