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From the article-
Case counts of the novel coronavirus are surging in the US
Just a few months back, some scientists hoped summer conditions might help tamp down coronavirus transmission.
Studies have shown simulated sunlight can inactivate the virus on surfaces and in the air, and one study found the virus deteriorates much more quickly in warmer temperatures than in cool temperatures. Some of the other coronaviruses that have long circulated in the population tend to peak in colder months and wane in the summer months, and some thought that summer heat and humidity could work to slow the spread of Covid-19.
Yet case counts of the novel coronavirus are surging in the U.S., recently hitting another single-day record of new infections.
There are three likely reasons, public-health and infectious-disease experts said. They have to do with the current levels of immunity in the population, how the virus is transmitted and how people behave.
Immunity to Covid-19 in the population is still low, the experts said, giving the virus lots of opportunities to spread. In one study published in the journal Science in May, researchers developed a model to see how seasonal changes in climate might affect the way Covid-19 spreads in cities in the U.S. and around the world.
Continued below.
Scientists hoped summer temperatures would tamp down COVID-19 cases. What happened?
Case counts of the novel coronavirus are surging in the US
Just a few months back, some scientists hoped summer conditions might help tamp down coronavirus transmission.
Studies have shown simulated sunlight can inactivate the virus on surfaces and in the air, and one study found the virus deteriorates much more quickly in warmer temperatures than in cool temperatures. Some of the other coronaviruses that have long circulated in the population tend to peak in colder months and wane in the summer months, and some thought that summer heat and humidity could work to slow the spread of Covid-19.
Yet case counts of the novel coronavirus are surging in the U.S., recently hitting another single-day record of new infections.
There are three likely reasons, public-health and infectious-disease experts said. They have to do with the current levels of immunity in the population, how the virus is transmitted and how people behave.
Immunity to Covid-19 in the population is still low, the experts said, giving the virus lots of opportunities to spread. In one study published in the journal Science in May, researchers developed a model to see how seasonal changes in climate might affect the way Covid-19 spreads in cities in the U.S. and around the world.
Continued below.
Scientists hoped summer temperatures would tamp down COVID-19 cases. What happened?
