- Aug 2024
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www.youtube.com www.youtube.com
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Keep humidity for typewriter storage under 50%:<br /> - at 50% or more humidity untreated iron will rust - at 80% or more untreated steel will rust
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- Apr 2022
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twitter.com twitter.com
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BU Epi COVID Response Corps. (2021, February 17). We’ve seen so many vaccine questions, we did two videos! Here’s part 1 of our vaccine FAQ: https://t.co/gYASlhiwmm [Tweet]. @EpiCOVIDCorps. https://twitter.com/EpiCOVIDCorps/status/1362099096102854657
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- Mar 2021
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www.pnas.org www.pnas.org
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Damialis, A., Gilles, S., Sofiev, M., Sofieva, V., Kolek, F., Bayr, D., Plaza, M. P., Leier-Wirtz, V., Kaschuba, S., Ziska, L. H., Bielory, L., Makra, L., Trigo, M. del M., Group, C.-19/POLLEN study, & Traidl-Hoffmann, C. (2021). Higher airborne pollen concentrations correlated with increased SARS-CoV-2 infection rates, as evidenced from 31 countries across the globe. Proceedings of the National Academy of Sciences, 118(12). https://doi.org/10.1073/pnas.2019034118
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- Feb 2021
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twitter.com twitter.com
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BU Epi COVID Response Corps on Twitter. (n.d.). Twitter. Retrieved 21 February 2021, from https://twitter.com/EpiCOVIDCorps/status/1362099096102854657
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www.scientificamerican.com www.scientificamerican.com
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Iwasaki, A. (n.d.). Another Way to Protect against COVID beyond Masking and Social Distancing. Scientific American. Retrieved 19 February 2021, from https://www.scientificamerican.com/article/another-way-to-protect-against-covid-beyond-masking-and-social-distancing/
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www.nih.gov www.nih.gov
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Researchers propose that humidity from masks may lessen severity of COVID-19. (2021, February 12). National Institutes of Health (NIH). https://www.nih.gov/news-events/news-releases/researchers-propose-humidity-masks-may-lessen-severity-covid-19
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- Aug 2020
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www.scientificamerican.com www.scientificamerican.com
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News, C. H., E&E. (n.d.). Summer Weather Won’t Save Us from Coronavirus. Scientific American. Retrieved July 6, 2020, from https://www.scientificamerican.com/article/summer-weather-wont-save-us-from-coronavirus/
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papers.ssrn.com papers.ssrn.com
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Sajadi, M. M., Habibzadeh, P., Vintzileos, A., Shokouhi, S., Miralles-Wilhelm, F., & Amoroso, A. (2020). Temperature, Humidity and Latitude Analysis to Predict Potential Spread and Seasonality for COVID-19 (SSRN Scholarly Paper ID 3550308). Social Science Research Network. https://doi.org/10.2139/ssrn.3550308
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- May 2020
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www.accuweather.com www.accuweather.com
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Puleo, M., & Staff Writer (2020 March 18). New study says “high temperature and high relative humidity significantly reduce” spread of COVID-19. https://www.accuweather.com/en/health-wellness/new-study-says-high-temperature-and-high-relative-humidity-significantly-reduce-spread-of-covid-19/703418
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- weather
- transmission reduction
- COVID-19
- spread
- R
- lang:en
- effective reproduction number
- humidity
- temperature
- is:news
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- Oct 2018
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www.sciencedaily.com www.sciencedaily.com
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They found that an hour after being released in a room at a relative humidity of 23% or less, 70-77% of viral particles retained their infectious capacity, but when humidity was increased to about 43%, only 14% of the virus particles were capable of infecting cells. Most of this inactivation occurred within the first fifteen minutes of the viral particles being released in the high-humidity condition. The study concludes that maintaining indoor relative humidity at levels greater than 40% can significantly reduce the infectious capacity of aerosolized flu virus.
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www.ncbi.nlm.nih.gov www.ncbi.nlm.nih.gov
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A review of the health effects of relative humidity in indoor environments suggests that relative humidity can affect the incidence of respiratory infections and allergies. Experimental studies on airborne-transmitted infectious bacteria and viruses have shown that the survival or infectivity of these organisms is minimized by exposure to relative humidities between 40 and 70%. Nine epidemiological studies examined the relationship between the number of respiratory infections or absenteeism and the relative humidity of the office, residence, or school. The incidence of absenteeism or respiratory infections was found to be lower among people working or living in environments with mid-range versus low or high relative humidities. The indoor size of allergenic mite and fungal populations is directly dependent upon the relative humidity. Mite populations are minimized when the relative humidity is below 50% and reach a maximum size at 80% relative humidity. Most species of fungi cannot grow unless the relative humidity exceeds 60%. Relative humidity also affects the rate of offgassing of formaldehyde from indoor building materials, the rate of formation of acids and salts from sulfur and nitrogen dioxide, and the rate of formation of ozone. The influence of relative humidity on the abundance of allergens, pathogens, and noxious chemicals suggests that indoor relative humidity levels should be considered as a factor of indoor air quality. The majority of adverse health effects caused by relative humidity would be minimized by maintaining indoor levels between 40 and 60%. This would require humidification during winter in areas with cold winter climates. Humidification should preferably use evaporative or steam humidifiers, as cool mist humidifiers can disseminate aerosols contaminated with allergens.
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