Penelitian ini menggembangakan model matematika penyebaran penyakit COVID-19 SEIR dengan lockdown dan karantina. Pembentukan model diawali dengan membuat asumsi dan diagram kompartemen alur penyebaran COVID-19 dengan lockdown dan karantina. Kemudian dibentuk sistem persamaan diferensial nonlinear berdasarkan diagram kompartemen tersebut. Analisis sistem dilakukan dengan menentukan titik ekuilibrium dan bilangan reproduksi dasar (). Hasilnya diperoleh dua buah titik ekuilibrium yakni titik ekuilibrium bebas penyakit yang eksistensinya tanpa syarat dan titik ekuilibrium endemik yang eksistensinya bergantung pada bilangan reproduksi dasar (> 1). Selanjutnya, analisis kestabilan titik ekuilibrium bebas penyakit menggunakan analisis nilai eigen matriks Jacobi dan Kriteria Routh-Hurwitz diperoleh titik kestimbangan bebas penyakit bersifat stabil asimtotik lokal jika . Terakhir simulasi model dilakukan untuk memberikan gambaran geometris dari solusi dan untuk mendukung teorema yang diperoleh. Hasil simulasi numerik yang dilakukan mendukung hasil analisis dinamik yang diperoleh.
Vulnerable groups experience a higher degree of problems, compared to other factions. A typical example involves the limited access to medical care and other support services. Therefore, the role of health workers in this context appears very essential. The Institute of Health Science (STIKES), Mitra Keluarga, conducted an evidence-based community service training for 206 nurses. This study was aimed at increasing the awareness of nurses as spearheads of primary healthcare, particularly on issues faced by vulnerable groups, and the results showed a significant improvement. Furthermore, the ongoing process served as an important effort in supporting these groups during the pandemic and the role of government in creating sustainability is also among the main influencing factors.
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