That seems highly unlikely. Pandemics, including the most recent ones of swine flu and COVID-19, are typically sparked by airborne viruses that spread quickly, including by people who may not be showing symptoms.
LONDON (AP) — The World Health Organization declared the mpox outbreaks in Congo and elsewhere in Africa a global emergency on Wednesday, with cases confirmed among children and adults in more than a dozen countries and a new form of the virus spreading. Few vaccine doses are available on the continent.
The researchers assessed the association of modifiable lifestyle factors (eg, smoking, alcohol use, body mass index, physical activity, time spent in sedentary activities, sleep duration, diet) with long COVID, death, and hospitalization among 68,896 adults in the UK Biobank cohort who tested positive for COVID-19 from March 2020 to March 2022.
Since the widespread adoption of air conditioning in the 1970s, Americans have moved in droves from cold northern climes to sunny southern ones. That has led to booming populations in states such as Florida, Texas and Arizona, and a shift in economic activity from north to south.