Dr. Rochelle Walensky, the director of the CDC, said back in August that the delta variant infects more people than previous strains of the coronavirus, and it moves faster, too, according to MarketWatch. The danger from the coronavirus has only increased with the delta variant, which has been shown to make people sicker quicker, as I wrote for the Deseret News. “The delta variant is highly contagious,” she said. “To put this in perspective: if you get sick with the alpha variant, you could infect about two other unvaccinated people. If you get sick with the delta variant, we estimate that you can infect about five other unvaccinated people — more than twice as many as the original strain.”
“Our results suggest that the timing of exposure relative to primary-case symptoms is important for transmission, and this understanding provides further evidence that rapid testing and quarantine after someone is feeling sick is a critical step to control the epidemic,” Martinez said. Leonardo Martinez, assistant professor of epidemiology at the School of Public Health at Boston University, said symptoms are important to preventing infection.
The Centers for Disease Control and Prevention has said that you can develop symptoms within two to 14 days after exposure to the coronavirus. But the period of infectiousness to others remains unclear. The researchers found the “close contacts” were infected shortly before or after the primary individual developed notable symptoms of the coronavirus.
The study found that infected people were most likely to be asymptomatic if they were infected by someone who was asymptomatic, too.
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