2020
DOI: 10.1101/2020.02.12.20022467
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The role of absolute humidity on transmission rates of the COVID-19 outbreak

Wei Luo
1
,
Maimuna S. Majumder
2
,
Diambo Liu
3
et al.

Abstract: A novel coronavirus (COVID-19) was identified in Wuhan, Hubei Province, China, in December 2019 and has caused over 40,000 cases worldwide to date. Previous studies have supported an epidemiological hypothesis that cold and dry (low absolute humidity) environments facilitate the survival and spread of droplet-mediated viral diseases, and warm and humid (high absolute humidity) environments see attenuated viral transmission (i.e., influenza). However, the role of absolute humidity in transmission of COVID-19 ha… Show more

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Cited by 276 publications

(305 citation statements)
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“…Possible explanation is that low AH might increase the stability of coronavirus and favor its transmission like influenza did (Lowen et al, 2007). Our results are somewhat different from a previous study about early COVID-19 outbreak, which reported that the changes in temperature and humidity as spring and summer months arriving might not lead to decline of confirmed case counts without the implementation of extensive public health interventions (Luo et al, 2020). Although public health control measures play a major role in controlling pandemic like COVID-19, our results indicate an independent role of weather conditions on the transmission.…”
Section: Discussioncontrasting
confidence: 99%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
show abstract
“…Possible explanation is that low AH might increase the stability of coronavirus and favor its transmission like influenza did (Lowen et al, 2007). Our results are somewhat different from a previous study about early COVID-19 outbreak, which reported that the changes in temperature and humidity as spring and summer months arriving might not lead to decline of confirmed case counts without the implementation of extensive public health interventions (Luo et al, 2020). Although public health control measures play a major role in controlling pandemic like COVID-19, our results indicate an independent role of weather conditions on the transmission.…”
Section: Discussioncontrasting
confidence: 99%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
show abstract
“…4 Recent published papers on preprint servers have reported roles of temperature and absolute humidity in the COVID-19 transmission, but their conclusions are diverse. [6][7][8][9][10] In contrast to the findings by Cai 10 this study suggests significant impact of mean temperature on the daily new case count, indicating a need for sufficient time delay between exposure and confirmation for weather to exhibit its effect. In contrary to other two studies, 6 7 this research suggests that there is a relatively not wide temperature and humidity ranges for the pandemic.…”
Section: Discussioncontrasting
confidence: 99%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
show abstract
“…Our results are in contrast with some previous studies [15,17,41,42] regarding a negative linear relationship between outdoor temperature and COVID-19 incidence. Yet, comparisons with previous studies should take into account the different meteorological conditions, since the occurrence of SARS-CoV-2 outbreak has been observed for a wide range of temperatures around the globe.…”
Section: Discussioncontrasting
confidence: 99%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
show abstract
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