Teachers’ Responsiveness to Students’ Needs in Solving Mathematical Problems Under Modular Distance Modality

This qualitative study explored teachers’ responsiveness to students' needs in learning mathematical problem-solving under Printed Modular Distance (PMDL) modality. Mathematics teachers’ responsiveness refers to awareness and disposition to attend to and provide an appropriate response based on students' needs. The participants of this study were 20 teachers, comprised of both junior high school and senior high school teachers, who are teaching in two (2) of the public schools in Imus City, Cavite, and Antipolo City, Rizal, respectively. The participants were purposively selected since they handled mathematics subjects under the PMDL modality for the school year 2021-2022. For the data analysis, the audio record, as well as the field notes, were transcribed into words and then examined by looking for indications of categories and different codes. It was concluded that despite the challenges in the new modality, teachers continue to respond and find ways to address the needs of students and that their awareness guides them on how they respond to and address these needs of the students in solving mathematical problems under modular distance learning. These findings were used as a basis for crafting an action plan to better support teachers in implementing responsive instructions to students under modular distance learning

Estimation of Rift Valley fever virus spillover to humans during the Mayotte 2018-2019 epidemic.

Rift Valley fever (RVF) is an emerging, zoonotic, arboviral hemorrhagic fever threatening livestock and humans mainly in Africa. RVF is of global concern, having expanded its geographical range over the last decades. The impact of control measures on epidemic dynamics using empirical data has not been assessed. Here, we fitted a mathematical model to seroprevalence livestock and human RVF case data from the 2018-2019 epidemic in Mayotte to estimate viral transmission among livestock, and spillover from livestock to humans through both direct contact and vector-mediated routes. Model simulations were used to assess the impact of vaccination on reducing the epidemic size. The rate of spillover by direct contact was about twice as high as vector transmission. Assuming 30% of the population were farmers, each transmission route contributed to 45% and 55% of the number of human infections, respectively. Reactive vaccination immunizing 20% of the livestock population reduced the number of human cases by 30%. Vaccinating 1 mo later required using 50% more vaccine doses for a similar reduction. Vaccinating only farmers required 10 times as more vaccine doses for a similar reduction in human cases. Finally, with 52.0% (95% credible interval [CrI] [42.9-59.4]) of livestock immune at the end of the epidemic wave, viral reemergence in the next rainy season (2019-2020) is unlikely. Coordinated human and animal health surveillance, and timely livestock vaccination appear to be key to controlling RVF in this setting. We furthermore demonstrate the value of a One Health quantitative approach to surveillance and control of zoonotic infectious diseases. [Abstract copyright: Copyright © 2020 the Author(s). Published by PNAS.

Estimation of Rift Valley fever virus spillover to humans during the Mayotte 2018–2019 epidemic

Rift Valley fever (RVF) is an emerging, zoonotic, arboviral hemorrhagic fever threatening livestock and humans mainly in Africa. RVF is of global concern, having expanded its geographical range over the last decades. The impact of control measures on epidemic dynamics using empirical data has not been assessed. Here, we fitted a mathematical model to seroprevalence livestock and human RVF case data from the 2018–2019 epidemic in Mayotte to estimate viral transmission among livestock, and spillover from livestock to humans through both direct contact and vector-mediated routes. Model simulations were used to assess the impact of vaccination on reducing the epidemic size. The rate of spillover by direct contact was about twice as high as vector transmission. Assuming 30% of the population were farmers, each transmission route contributed to 45% and 55% of the number of human infections, respectively. Reactive vaccination immunizing 20% of the livestock population reduced the number of human cases by 30%. Vaccinating 1 mo later required using 50% more vaccine doses for a similar reduction. Vaccinating only farmers required 10 times as more vaccine doses for a similar reduction in human cases. Finally, with 52.0% (95% credible interval [CrI] [42.9–59.4]) of livestock immune at the end of the epidemic wave, viral reemergence in the next rainy season (2019–2020) is unlikely. Coordinated human and animal health surveillance, and timely livestock vaccination appear to be key to controlling RVF in this setting. We furthermore demonstrate the value of a One Health quantitative approach to surveillance and control of zoonotic infectious diseases

Enhanced neutron diagnostics data acquisition system based on a time digitizer and transient recorder hybrid module

This paper proposes a new transient recorder (TR)-time digitizer (TD) hybrid system to be used to pull out higher performance of presently used techniques for measuring the collimated flux and the spectrum of the neutron emission from fusion plasmas of either deuterium or deuterium-tritium, as well as to apply to new neutron measuring techniques, with demanding specific requirements in plasma physics. This system is presented as a modular design, allowing up to four 200 MHz, 12 b acquisition channels to operate in an interleaved way, achieving 800 MHz. The module includes a XILINX FPGA and an ADC front-end along with a large memory storage capacity and unique TD capabilities (two channels with 36 ps resolution). The FPGA is able to perform real-time data validation as well as some processing algorithms to obtain physical parameters and module calibration. Processed data will be transferred to a control unit by a gigabit optical link. The system will be able to support multiple front-end modules operating synchronously.http://www.sciencedirect.com/science/article/B6V3C-4K18Y0J-2/1/f24a7c811760af7619e959e01cb418a

A 1 GSPS VME data acquisition module

In the following a new data acquisition architecture is proposed allowing high sampling rates along with a large memory data buffer. The modular design allows up to four 250 MHz, 8-bit acquisition channels to operate in an interleaved way, achieving 1 GSPS. Each channel can acquire continuously up to 3 MBytes of data (or 12 MBytes when interleaved). Since several modules can coexist in an acquisition system, provision was made for several parallel operations, including trigger distribution and download of digital signal processing programs. The module will be used in a dedicated acquisition system for the reflectometry diagnostic on the Asdex-Upgrade tokama

Stratégies migratoires et enjeux de la protection sociale à La Réunion et à Mayotte : conflits et concurrences dans les espaces sanitaires et sociaux

Rapport final UMR 5185 ADES/Equipe SSD. Appel à projets MIRE DRESS 2007 Migrations et protection sociale, 225 p