Breaking news: CDC Expands Negative COVID-19 Test Requirement to All Air Passengers Entering the United States cdc.gov/media/releases…
"Air passengers are required to get a viral test...within the 3 days before their flight to the U.S. departs, and provide written documentation of their laboratory test result (paper or electronic copy) to the airline or provide documentation of having recovered from COVID-19."
"Airlines must confirm the negative test result for all passengers or documentation of recovery before they board. If a passenger does not provide documentation of a negative test or recovery, or chooses not to take a test, the airline must deny boarding to the passenger."
"This order was signed by the CDC Director on January 12, 2021 and will become effective on January 26, 2021."

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More from @SYoungReports

13 Jan
The new CDC rule requiring negative test results for all air passengers entering the US will have a big impact on Mexico for multiple reasons. And frankly, Mexican authorities will likely need to accredit more labs to handle demand within the "72 hours before departure" timeline.
For example, here in Oaxaca, only one private lab is accredited to perform PCR tests. Turnaround time for results is three days. Current accredited lab infrastructure isn't set up to get a traveller to the US test results in the 72 hour window of time before flight departure.
This rule is also likely to create pressure on Mexico to bring its pandemic management approach more in line with international best practices. After Canada enacted a similar rule last week, tourism from the US was the last peg left intact sustaining Mexico's intl tourism sector.
Read 6 tweets
12 Jan
Preguntas vespertinas

- ¿Están buscando la variante B117 en la comunidad o sólo en casos positivos con antecedentes recientes de viajes de Europa?

- ¿Hay un plan de contención dado el peligro que puede representar una variante más contagiosa en residencias multigeneracionales?
- ¿Qué pasó con la donación de la OMS de 200 mil pruebas de antígenos? ¿Cómo se distribuyeron?

- ¿A partir de cuándo las riendas de la vacunación contra SARS-CoV-2 estarán en manos de trabajadores de salud con experiencia en campañas de vacunación?
- ¿Existe un programa de vigilancia epidemiológica para estudiar y detectar la presencia de SARS-CoV-2 en las aguas negras de los municipios? (¿Dónde y desde hace cuánto tiempo?)

- ¿Cuando estarán los resultados finales de las encuestas serologías?

- ¿Ustedes ya se vacunaron?
Read 4 tweets
11 Jan
For example, this timeline slide. Dec 28: Flight from Amsterdam to Mexico City. Dec 29: Flight to Matamoros.

GAP: Where did he spend the night of Dec. 28th? How did he get to location? Where did he eat? Who did he come into prolonged contact with during his time in Mexico City?
Answer those questions would imply a process of contact tracing, which isn't really done here. At least not in the rigorous sense of what the term is understood to mean within international scientific circles. Some motions were gone through in this case, which I'll get to later.
Upon arrival in Matamoros airport, the pre-symptomatic traveller was taken to a hotel (how? by whom?). Due to protocol of the company he was in town to work for, was administered a PCR test by a private lab. Test result came back positive same day. Second test performed Dec 31st.
Read 12 tweets
11 Jan
Thread: Today Mexican health officials confirmed the identification of the first known case of COVID-19 from the B117 variant in country. The case is linked to a British citizen who travelled from Amsterdam to Mexico City & then to the border city of Matamoros for work purposes.
In tonight's COVID task force presser, Mexico's chief epidemiologist, Dr. José Luis Alomía, gave details and took questions about the case. He - unsurprisingly - omitted and downplayed some serious concerns raised about this variant within the international scientific community.
If you'd like to check the source material for yourself in Spanish, you can find the video cued to the start of the presentation below. But there are important gaps in the information he gave that weren't touched on in the Q&A.
Read 4 tweets
10 Jan
This is a human rights issue and so is the official management of the pandemic.
wsj.com/articles/covid…
Sweden gets the international attention when it comes to taking a hard look at the "herd immunity" approach, but the effects of this "strategy" are most clearly on display in Mexico.
At the start of the pandemic, those at the helm of Mexico's pandemic management explicitly presented immunity through infection as a logical path forward. Very little has changed in the country's defacto approach, despite the emergence of new information and months of experience.
Read 6 tweets
25 Dec 20
In analyzing Mexico City's death certificate data, researchers @mariorz and @LaurianneDsp were the first to make public hard evidence that pandemic excess mortality in the capital was around 3X higher than the govt-acknowledged COVID-19 death toll. That data is now inaccessible.
This is a bad time for Mexico City's online civil registry data to be unavailable. The capital is once again in the midst of a severe outbreak, hence the need for timely, accurate information. Under-testing has made excess mortality an important indicator of outbreak dimensions.
The most recent official data on excess mortality in Mexico City cuts off after Nov 21th, just as the current spike in cases started to intensify. Here's what the capital's excess mortality graph looked like thru epidemiological week 47. Source document: coronavirus.gob.mx/wp-content/upl…
Read 10 tweets

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