CDC Announces New Guidelines for Travels Vaccinated Against COVID-19

Joanna Estrada
April 3, 2021

The Centers for Disease Control and Prevention updated its travel guidelines to say that fully vaccinated Americans can fly nationwide without much trouble.

The part of the trial from South Africa involved 800 participants.

Amid a fever-pitch race to immunize against concerning coronavirus variants - some of which have been shown to weaken the effectiveness of current vaccines - Pfizer and BioNTech said its inoculation was 100% effective in preventing new cases in South Africa, where the B.1.351 variant is widely circulating.

The latest figures from Africa CDC showed that as of Friday, the number of confirmed Covid-19 cases in Africa has reached 4,239,639, and the death toll from the pandemic stood at 113,142, while 3,794,269 patients have recovered.

'The information coming from Pfizer-BioNTech is good news with evidence that those enrolled in the clinical trials previous year are still protected.

The CDC also recommends that people get tested three to five days after travel.

The CDC says fully vaccinated people should keep following safety precautions in public, including wearing a mask.

Blood samples from all participants in the United Kingdom trial showed the original Wuhan strain was strongly neutralised after two doses of the jab. The vaccine now has emergency use authorization, EUA, which falls short of full approval.

Like the cells which produce antibodies, T cells are crucial to the immune system's response to viral infection.

"The antibody levels were so high that they'd gone above the thresholds so they had to dilute them".

'I would not be surprised if this is a vaccine that we only get once'. And the combination of having very high levels of antibodies and persistent levels of protection are the recipe for a very long level of protection against these variants, ' Hensley added.

"It will be important to assess that and whether they wane at different rates in people of different ages", he said.

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