COVID-19 spread may become a greater challenge with the progression of the season towards monsoon, and thereafter, winter, with a continuous fall in temperature, reports a new study.
Spread of COVID-19 may pick up the pace during peak monsoon and winter with a fall in the temperature, reports a new study jointly conducted by IIT-Bhubaneswar and the AIIMS. Every degree rise in temperature corresponds to a 0.99 percent decrease in the number of cases and an increase in doubling time by approximately 1.13 days, implying a slowing down of spread, said the study titled "COVID-19 spread in India and its dependence on temperature and relative humidity".
‘The rainfall, decrease in temperatures, and cooling of the atmosphere coupled with winter progression, could environmentally favor the COVID-19 spread.
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The study, led by V. Vinoj, Assistant Professor of the School of Earth, Ocean and Climatic Sciences at IIT-Bhubaneswar, examined COVID-19 outbreak patterns and cases in 28 states between April and June. Particularly, they focused on the relationship between COVID-19 spread and environmental factors such as temperature, relative humidity, specific humidity, and solar radiation.
The results showed that temperature and relative humidity have a significant impact on the disease growth rate and doubling time, according to the abstract of the study posted on ResearchGate, a professional network for scientists and researchers.
The study is currently at the pre-print stage and yet to be peer-reviewed.
An analysis for relative humidity revealed that more moisture leads to a higher growth rate of COVID-19 cases and reduced doubling time, said the study.
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The researchers noted that past respiratory viral pandemics of the 21st century revealed seasonality in environmental factors to play a role in the dynamics of their spread.
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India's total coronavirus cases have already surpassed 1 million, with a record 38,902 new cases reported in the past 24 hours.
With 543 new deaths, the total death toll stood at 26,816 on Sunday.
Source-IANS