Background: Coronavirus Disease 2019 (COVID-19) is an emerging respiratory disease that was first detected in Wuhan, China in December 2019 and has become a public health problem around the world. The main mode of transmission of this virus is human to human transmission via respiratory droplets that produced when a person coughs, sneezes, or talks. This virus spread rapidly from China to other countries. The participation of society is needed in reducing the spread of COVID-19. People's commitment and obedience in dealing with this pandemic situation are generally influenced by knowledge, attitudes and practices. In previous studies, it was found that gender and age affect the level of knowledge, attitudes, and practices for preventing COVID-19. This study aimed to assess knowledge, attitudes and practices towards COVID-19 prevention based on gender and age group in Java Island residents. Methods: This study used a quantitative descriptive method with a cross-sectional study design. The sampling technique used is non-probability sampling. The number of samples in this study was 1,680 Java Island residents. Results: The variables in this study were measured through a self-reported questionnaire that was distributed online. The results showed that the female and the late adult group (≥61 years) tended to have good knowledge and practice towards COVID-19 prevention.Conclusion : It is necessary to increase education related to COVID-19 and socialization of health protocols to the community with male sex and young age groups

Tidal inundation is a flood that usually occurs in the coastal region. It will impact water quality, which may lead to health problem. A semi-quantitative tool was use to assess water quality in Bandarharjo Village, a tidal inundation affected area. Total coliform was also performed to aseess bacterial contamination. The assessment was conducted at three sites of drinking water supply system: source/provider, distribution, and customer levels. The result showed that both provider and distribution levels have very high risk of contamination, while customer level has a high risk. Water from either source/provider and customer level contained bacterial contamination.

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Penyakit kardiovaskuler cenderung meningkat sebagai penyebab kematian. Faktor risikonya antara lain kebiasaan merokok, kurangnya aktifitas fisik, obesitas atau kelebihan berat badan, penyakit diabetes, tekanan darah tinggi, kolesterol tinggi serta adanya riwayat keluarga. Saat ini, trennya terjadi pada usia muda, dikarenakan gaya hidup serta perilaku remaja yang kurang baik yang dapat berpengaruh terhadap kesehatan. Tujuan penelitian ini adalah untuk mengetahui faktor risiko penyakit kardiovaskuler pada mahasiswa perokok Fakultas Teknik Jurusan Mesin Universitas Diponegoro Semarang. Penelitian ini merupakan penelitian deskriptif dengan metode survey dan menggunakan desain cross-sectional-study. Sampel penelitian ini berjumlah 52 responden. Data dikumpulkan dengan menggunakan kuesioner, pemeriksaan kolesterol, gula darah dan tekanan darah. Data dianalisis dengan distribusi frekuensi dan bivariat dengan uji rank spearman dan chi square. Hasil penelitian menunjukkan bahwa kadar kolesterol  agak tinggi/batas tinggi (200-239 mg/dl) sebesar 7,7%. Kadar gula darah sedang (100-125 mg/dl) 23,1%; tekanan darah sistolik diatas normal (≥135 mmHg) sebesar 55,8%; tekanan darah diastolik diatas normal (≥85 mmHg) sebesar 26,9%; tekanan darah tinggi (>140/90 mmHg) 17,0%; IMT tinggi (≥ 23kg/m2) sebesar 15,4%. Variabel yang terkait dengan kolesterol dan gula darah yaitu jumlah merokok (p=0,0001), dan lama merokok (p=0,0001). Variabel yang terkait dengan tekanan darah tinggi yaitu jumlah rokok (p=0,0001), lama merokok (p=0,0001), cara menghisap rokok (p=0,011). Disarankan bagi para mahasiswa untuk memperkecil risiko terjadinya penyakit kardiovaskuler dengan mengurangi konsumsi rokok dan konsumsi fast food