An estimate from the CDC showing that as many as 35 percent of people with coronavirus could be asymptomatic raises important questions about the disease's silent spread. Here's what you need to know.
began citing a number listed in the Centers for Disease Control and Prevention guidance on reopening, which noted that the organization’s “best estimate about viral transmission” is that 35 percent of individuals infected with SARS-CoV-2 may be asymptomatic.,” which relied on mathematical models to “help evaluate the potential effects of different community mitigation strategies.” Dr.
Dr. Dara Kass, an emergency medicine doctor and Yahoo Life medical contributor, also cautions that the number is an estimate and should not be taken as definitive. “It’s a complicated model that really means we need stronger surveillance and testing,” says Kass. “The more testing we have available, the easier it will be track back to asymptomatic carriers and find if they have any common attributes.
The CDC’s estimate, although only a model, raises important questions about asymptomatic carriers. To help clarify, here are some of the points you need to know.Dr. Amesh Adalja, an infectious disease expert and senior scholar at the Johns Hopkins Center for Health Security, says that coronaviruses have a history of spreading through asymptomatic carriers. “This is the seventh human coronavirus ...
The CDC does not cite data for its new model, but there is preliminary evidence to suggest that there may be many individuals carrying the virus without symptoms. Onefound that 56 percent of the residents at one Seattle nursing home who tested positive for SARS-CoV-2 were either asymptomatic or pre-symptomatic at the time of testing.
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