Effects of Absolute Humidity, Relative Humidity, Temperature, and Wind Speed on Influenza Activity in Toronto, Ontario, Canada

Temperature and relative humidity effects

State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710075, China State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China Key Laboratory of Regional Climate-Environment for Temperate East Asia, Institute of Atmospheric Physics, Chinese Academy of S...

Influenza Virus Transmission Is Dependent on Relative Humidity and Temperature

Using the guinea pig as a model host, we show that aerosol spread of influenza virus is dependent upon both ambient relative humidity and temperature. Twenty experiments performed at relative humidities from 20% to 80% and 5 degrees C, 20 degrees C, or 30 degrees C indicated that both cold and dry conditions favor transmission. The relationship between transmission via aerosols and relative hum...

Effects of temperature and relative humidity on the response of phaseolus vulgaris to salinity

Effect of Temperature, Relative Humidity and Physical Activity on B

Temperature and relative humidity are as major factors that stimulate exercise-induced bronchospasm (EIB). The purpose of this study was to investigate the effect of environmental temperature and relative humidity on the EIB in the pre-test and 5, 10, 15 and 60 minutes (1 hour) after the activity in the exercise (EXEG) and control (CONG) groups. Among 60 adolescent male students of Sport and Ph...

Absolute humidity and pandemic versus epidemic influenza.

Experimental and epidemiologic evidence indicates that variations of absolute humidity account for the onset and seasonal cycle of epidemic influenza in temperate regions. A role for absolute humidity in the transmission of pandemic influenza, such as 2009 A/H1N1, has yet to be demonstrated and, indeed, outbreaks of pandemic influenza during more humid spring, summer, and autumn months might ap...