1/5 - L’assouplissement du port du masque en France crée beaucoup d’inquiétudes, en pleine remontée de l’incidence sous l’effet du variant Delta. Évoquons trois situations lors desquelles cette mesure ne devrait pas être mise en œuvre.
2/5 - S’il est cohérent, alors qu’en France où les autorités misent beaucoup sur le pass sanitaire, qu’elles donnent des gages de confiance à ceux qui l’utilisent, la réduction du risque de transmission ne représente pas une garantie suffisante pour tomber le masque dans 3 cas…
3/5 - Le masque devrait être encore gardé en présence d’enfants de moins de 12 ans dans des lieux clos et mal ventilés (= non équipés de capteurs de CO2 ou au-delà de 1200 ppm). Ces enfants ne sont pas vaccinés et donc à haut risque d’être contaminés par des porteurs du virus.
4/5 - Le masque devrait être gardé à chaque fois que des personnes vulnérables ou âgées de > 80 ans se trouvent dans des lieux clos et mal ventilés. L’immunité vaccinale est moins efficace avec l’âge et dans certaines pathologies, et le masque représente une réduction du risque.
5/5 - De plus, lever l’obligation du port du masque en pleine vague Delta serait une lourde erreur à chaque fois que les contrôles du pass sanitaire ne sont pas réalisés de manière rigoureuse, et en l’absence de sanctions fortes en cas de violation de tous types.

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More from @FLAHAULT

20 Jul
1/9 - “China’s commitment to achieving #ZeroCovid cases means most of its citizens will probably be cut off from the outside world until the year-end, delaying a full return to normal for world’s second-largest economy.”
ft.com/content/0f1048…
2/9 - “Beijing could even wait until partway through 2022 to reopen to visitors, despite the fact almost 80 per cent of its population is expected to be immunised by the end of this year, analysts said.”
3/9 - “The zero-tolerance helped restore economic growth in China in the early months of the pandemic, so it’s hard to move to an opening up strategy. But the strategy could become a liability if gov was unable to come up with clear exit strategy.”
Read 9 tweets
20 Jul
1/4 - “Le variant Delta se répand comme une traînée de poudre en plein été alors que nous sommes beaucoup plus souvent à l’extérieur, plus longtemps durant la journée et que les écoles et les universités sont désormais fermées.”
atlantico.fr/article/decryp…
2/4 - “Je ne serai donc pas étonné que Boris Johnson ait à faire marche arrière d’ici quelques semaines si la hauteur et la force de la vague est trop importante dans son pays. Il prend et assume aujourd’hui un pari hautement risqué.”
3/4 - “Les Européens n’ont pas réussi à tirer les leçons de cette pandémie en réalisant à quel point le contrôle sanitaire de leurs frontières était crucial. Il ne faudrait pas laisser passer une seule des frontières par des personnes non vaccinées aujourd’hui.”
Read 4 tweets
20 Jul
1/9 - Jul 20 to Jul 26 -
"Around the #COVID19 World in 80 Seconds"!

Daily epidemic 7-day forecasting for 192 countries/ territories on our dashboard:
renkulab.shinyapps.io/COVID-19-Epide…

Data source: coronavirus.jhu.edu
& ourworldindata.org/coronavirus
Powered by @ISG_UNIGE & @SDSCdatascience
2/9 - Western Europe is facing surge in #COVID19 new cases e.g. AT (R-eff=1.44); FR=1.37; DK=1.31; NL=1.36; CH=1.36; IRL=1.34; ESP=1.30; IT=1.39; BE=1.23; UK=1.19; PRT=1.10, with low or very low mortality for 7 more days. Vaccine coverage: 50-70% received 1 dose.
3/9 - Eastern - Central Europe countries, but e.g. Russia (R-eff=1.01), Belarus (1.0), Greece (1.20); Turkey (1.17), will remain safe in their green zones, with strong pressure from the Delta variant.
Germany=1.30; Czechia=1.01; Poland=1.07, Bulgar=1.09 stay safe for 7 more days.
Read 11 tweets
20 Jul
1/8. FRANCE - Jul 20 (9,554 cases; 18 deaths) to Jul 26 (12,472 cases; 16 deaths).

All French Régions and most Dépts (but Mayotte) are in rapid and worrying deterioration of their #COVID19 epidemic activity (R-eff=1.37).

renkulab.shinyapps.io/COVID-19-Epide…

by @ISG_UNIGE & @SDSCdatascience
2/8 - Auvergne-Rhône-Alpes (R-eff=1.51) [and Bourgogne-et-Franche-Comté (1.54)] are experiencing rapid and worrying surge, in their #COVID19 epidemic activity, both with very low levels of mortality, for 7 more days.
3/8 - Corsica (R-eff=1.73) [and Provence-Alpes-Côte-d'Azur (1.50)] are experiencing rapid and worrying surge in their #COVID19 epidemic activity, at high levels, with no [low] mortality, for 7 more days.
Read 10 tweets
19 Jul
1/6 - “An association representing about 67,000 paediatricians in the US has recommended that all children attending school in the autumn should wear face masks, regardless of #COVID19 vaccination status.”
ft.com/content/14748f…
2/6 - “The updated guidance from the American Academy of Pediatrics [AAP] goes a step further than the country’s top public health agency, which had said vaccinated students and teachers did not need to wear masks in schools if certain public health guidelines could be met.”
3/6 - “AAP recommends universal masking because a significant portion of the student population is not yet eligible for vaccines, and masking is proven to reduce transmission and to protect those who are not vaccinated. The recommendation applies to everyone older than age 2.”
Read 6 tweets
19 Jul
1/9 - Jul 19 to Jul 25 -
"Around the #COVID19 World in 80 Seconds"!

Daily epidemic 7-day forecasting for 192 countries/ territories on our dashboard:
renkulab.shinyapps.io/COVID-19-Epide…

Data source: coronavirus.jhu.edu
& ourworldindata.org/coronavirus
Powered by @ISG_UNIGE & @SDSCdatascience
2/9 - Western Europe is facing surge in #COVID19 new cases e.g. NL, R-eff=1.47; DK=1.33; FR=1.43; CH=1.38; ESP=1.26; BE=1.25; UK=1.19; PRT=1.12, with low or very low mortality for 7 more days. Vaccine coverage: 50-70% received 1 dose.
3/9 - Eastern - Central Europe countries, but e.g. Russia (R-eff=1.01), Belarus (0.99), Austria=1.44; Italy=1.42; Greece (1.23); Turkey (1.12), will remain safe in their green zones, with strong pressure from the Delta variant.
Germany=1.31; Czechia=1.04; Poland=1.07, Bulgar=1.12
Read 11 tweets

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