New thread for discussing 1-day test requirements for travellers arriving in the US by air
https://www.flyertalk.com/forum/coronavirus-travel/2060730-us-require-air-travelers-provide-negative-test-within-1-day-departure.html

Entry ban from eight southern African countries starting on November 29, 2021

Most non-U.S. citizens who have been in South Africa, Botswana, Zimbabwe, Namibia, Lesotho, Eswatini, Mozambique or Malaw within the prior 14 days will not be allowed into the United States.

https://www.whitehouse.gov/briefing-room/presidential-actions/2021/11/26/a-proclamation-on-suspension-of-entry-as-immigrants-and-nonimmigrants-of-certain-additional-persons-who-pose-a-risk-of-transmitting-coronavirus-disease-2019/

Entry ban by air to be lifted on November 8, 2021 - All travelers should refer to CDC for travel requirements.

3 day pre-flight testing requirement will continue (US citizens/LPR not vaccinated will have to test no earlier than 1 day prior) Children under 2 years old do not need to test.

Children under 18 are exempt from vaccination requirement
Accepted vaccines will include:

• AstraZeneca
• BIBP/Sinopharm
• Covishield
• Janssen/J&J
• Moderna
• Pfizer-BioNTech
• Sinovac

Vaccination certificates must come from an official source
There is a face mask mandate when flying to/from the USA, with effectively no exemptions, and including children two and above years old
Airlines need to provide some sort of contact tracing information for potential follow-up cases

Update on U.S. travel policy requiring COVID-19 vaccination
Last Updated: October 25, 2021

As announced by the White House today, the new travel policy requiring foreign nationals traveling to the United States to demonstrate proof of full vaccination against COVID-19 will take effect November 8. The CDC’s website explains that, for purposes of entry into the United States, the accepted vaccines will include FDA approved or authorized and WHO Emergency Use Listing vaccines.

COVID-19 Travel Restrictions and Exceptions - U.S. Department of State, Bureau of Consular Affairs
Last updated: October 25, 2021

The presidential proclamations described on this page will no longer be in effect on November 8, 2021. For additional information, please see Safely Resuming Travel by Vaccine Requirement and Rescission of Travel Restrictions on Brazil, China, India, Iran, Ireland, the Schengen Area, South Africa, and the United Kingdom (travel.state.gov).

To protect the public health, there are four presidential proclamations that suspend entry into the United States of all noncitizens who were physically present in any of 33 countries during the 14-day period preceding their entry or attempted entry into the United States. They are Presidential Proclamation 9984 (China); Presidential Proclamation 9992 (Iran); Presidential Proclamation 10143 (Schengen Area, United Kingdom, Ireland, Brazil, and South Africa); and Presidential Proclamation 10199 (India).

What we know so far is
- Confirmed to start on 8 November
- Children under 18 are exempt from the vaccine restrictions, so the varying international standards on jab ages won't be an issue here.

- Vaccines that are OK will include Pfizer, Moderna, AZ, J&J and the two Chinese vaccines.
- Some exemptions from vaccinations are potentially allowed, notably for US citizens, though my guess is airlines will be expecting to see vaccine certificates

- 3 day pre-flight testing requirement will continue, so this needs to be a documented antigen/Lateral Flow test or PCR.
- 3 days is potentially more than 72 hours, departure on a Friday afternoon means a test on Tuesday morning or thereafter.
- NHS Lateral Flows and PCRs can't be used.
- Children over 2 years old travelling with vaccinated travellers have to be tested on the same basis (3 days).
- 1 day testing for unvaccinated USA legal residents (testing on or the day before departure), including their children.

- All passengers need to sign an attestment to confirm their negative test result and also a statement to confirm full vaccination status.
- Children who are not vaccinated do not need to get vaccinated but do need to get a "viral test" 3 to 5 days after arrival in the USA
- As a result there is a separate attestion question for unvaccinated children to confirm that the viral test is arranged.

- Vaccination certificates must come from an official source. The NHS COVID Pass app and EU DCC are specifically mentioned as acceptable.
- Vaccination is counted as two weeks from dose2, or 2 weeks after the sole dose in the case of J&J.
- Antibody certification is not a replacement for the need for vaccination, at least for non USA residents.
- 14 clear days need to elapse before travel. So if jabbed on 1 October then 15 October is when you are good to go.
- Booster vaccinations are not a factor here, they don't count towards or against the primary dose process.

- There is a face mask mandate when flying to/from the USA, with effectively no exemptions, and including children two and above years old.
- Airlines need to provide some sort of contact tracing information for potential follow-up cases.
- These restrictions do not apply at the land border.

Note that a lot of interpretation onus falls on airlines. For example there is no language requirement for vaccine certificates as far as the CDC is concerned, however you can imagine Air France may be hesitant in accepting a vaccine certificate issued in the Welsh language, to take one example.

CDC link
https://www.cdc.gov/media/releases/2...el-System.html