This is coming from MEDPAGE TODAY, “Track the U.S. COVID-19 Outbreak in Real Time,” Comments Section (3 comments), March 11, 2020 with regard to COVID-19 “The mechanism of seasonal effect for seasonal respiratory virus spread is believed to be humidity, not temperature. In New York state which has 220 cases, fomites lose moisture where indoor humidity is low, allowing the lighter particles to stay longer in the aerosol. In Florida and Arizona, with 38 cases, fomites gain moisture and weight from the humid air and fall to the floor faster. Northern Italy, where people wear winter coats in the media reports has dry, heated indoor air, while Southern Italy has humid indoor air. Humidifying indoor air in schools, stores, churches, etc. may reduce seasonal
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This is coming from MEDPAGE TODAY, “Track the U.S. COVID-19 Outbreak in Real Time,” Comments Section (3 comments), March 11, 2020 with regard to COVID-19
“The mechanism of seasonal effect for seasonal respiratory virus spread is believed to be humidity, not temperature. In New York state which has 220 cases, fomites lose moisture where indoor humidity is low, allowing the lighter particles to stay longer in the aerosol. In Florida and Arizona, with 38 cases, fomites gain moisture and weight from the humid air and fall to the floor faster. Northern Italy, where people wear winter coats in the media reports has dry, heated indoor air, while Southern Italy has humid indoor air.
Humidifying indoor air in schools, stores, churches, etc. may reduce seasonal influenza, respiratory syncytial virus, coronoviruses which produce the common cold, rhinoviruses and Covid-19, Airports, airliners, airport shuttles should be the highest priority. The goal should be humidifying to the level seen in summer without transmitting Legionella.”
“The Philippines, Indonesia, Malaysia, Australia, Hong Kong have warmer, more humid air and much less Covid-19. Southern Italy has warmer, more humid indoor air than Northern Italy where indoor air is dry. The photographs in the media from places with the highest rate of Covid-19 spread show people wearing winter jackets.”
“In warm humid climates, fomites absorb water from indoor air and sink to the floor. There is a fine layer of dust everywhere indoors and viral particles attach to charged dust particles.
The mechanism for seasonal respiratory virus transmission is: fomite size in dry heated indoor air promotes viral spread. Larger fomites in humid air fall to the floor and react with charged dust particles.”
fomite definition: objects or materials which are likely to carry infection, such as clothes, utensils, and furniture.
microbiology definition: A fomes (pronounced /ˈfoʊmiːz/) or fomite (/ˈfoʊmaɪt/) is any inanimate object that, when contaminated with or exposed to infectious agents (such as pathogenic bacteria, viruses or fungi), can transfer disease to a new host.
This would include counter tops, etc.