…In conclusion, under the conditions of high temperature in the Southern Hemisphere summer, our study provides evidence ??? that lower relative humidity is associated with COVID-19 cases. It also suggests that all countries need to maintain vigilance for COVID-19, even during the summer months.
A later study on impact of temperature and humidity is worthy of consideration and integration into the above.
See:
https://www.isitzen.com/blog/2021/2/weather-impact-on-airborne-coronavirus-survival-physics-of-fluids
