The Centers for Disease Control and Prevention (CDC) continues to study the spread and effects of the novel coronavirus across the United States. According to the CDC, recent studies show that a significant portion of individuals with coronavirus lack symptoms and that even those who eventually develop symptoms can transmit the virus to others before showing symptoms.
The CDC states that this means the virus can spread between people interacting in close proximity – for example, speaking, coughing, or sneezing – even if those people are not exhibiting symptoms. In light of this new evidence, the CDC recommends wearing cloth face coverings in public settings where other social distancing measures are difficult to maintain (e.g., grocery stores and pharmacies) especially in areas of significant community-based transmission.
The CDC advises the use of simple cloth face coverings to slow the spread of the virus and help people who may have the virus and do not know it from transmitting it to others. Cloth face coverings fashioned from household items or made at home from common materials at low cost can be used as an additional, voluntary public health measure.
The cloth face coverings recommended are not surgical masks or N-95 respirators. Those are critical supplies that must continue to be reserved for healthcare workers and other medical first responders, as recommended by current CDC guidance.
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