As quoted from the Live Science website, Saturday (31/7/2021). Director of the Centers for Disease Control and Prevention (CDC) or the US Centers for Disease Control and Prevention, Dr. Rochelle Walensky told reporters in a teleconference on Tuesday 27 July that her biggest concern was that the virus now spreading may have “mutated several times” to avoid a vaccine.
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“The biggest concern I think we are in the field of public health and science, is worrying about the virus and the potential mutation of that virus. We have a highly contagious virus that has the potential to evade vaccines in terms of how vaccines protect us from severe illness and death,” said CDC Director, Dr. Rochelle Walensky.
He also said, currently, fortunately, we are not experiencing that. This vaccine works very well in protecting us from serious illness and death. But the big concern is the next possible variant, which has the potential to undergo multiple mutations, that could potentially evade our vaccine.”
Dr. Rochelle Walensky suggested that the threat of a vaccine-resistant variant currently available is the reason why more Americans should be vaccinated in an effort to control the virus and its mutations. More than 163 million Americans had received full vaccinations as of Tuesday, according to the US CDC.
The U.S. CDC released new guidelines on Tuesday, July 27, which advises people who have received a complete vaccination to wear a mask indoors, if they are “in an area of importance or high transmission.”
While vaccines may be very effective, especially in preventing severe illness and death, they may be less effective in preventing infection or transmission COVID-19 the delta variant, the CDC says,
The CDC updated its mask guidance which says that fully vaccinated people should return to wearing masks in public spaces, especially in areas where there is a substantial potential for transmission of the Corona Virus.
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