Tag: <span>temperature</span>

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Temperature dependence of COVID-19 transmission

The data for the coronavirus disease in many different countries follow a common pattern: once the number of confirmed cases reaches order 10 there is a very rapid subsequent growth, which is well fit by an exponential behavior. The latter is typically a good approximation for the following couple of weeks and, after this stage...

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Effects of temperature on COVID-19 transmission

When the SARS outbreak happened in 2002-2003, SARS-CoV spread to approximately 30 countries only. However, the current outbreak of COVID-19 by SARS-CoV-2 has spread to 176 countries or territories which suggests the enhanced ability of viruses to be aerosolized. Environmental factors such as atmospheric temperature also can modulate the survival and spread of virus aerosols...

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Persistence of SARS-CoV-2 on inanimate surfaces

Like many respiratory viruses, including flu, SARS-CoV-2 can be spread in tiny droplets released from the nose and mouth of an infected person as they cough. A single cough can produce up to 3,000 droplets. These particles can land on other people, clothing and surfaces around them. Besides, there is also some evidence that the...

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Temperature, humidity, and wind speed are associated with lower COVID-19 incidence

In absence of empirical research data, there has been considerable speculative hypothesis on the relationship between climatic factors (such as temperature and humidity) and the incidence of COVID-19. A new study analyzed the data from 310 regions across 116 countries that reported confirmed cases of COVID-19 by March 12, 2020, and found that temperature, humidity,...