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Methods: A cross-sectional survey was conducted among Taif University students using Google Forms questionnaire in the period from May to December 2020 Medical Science, 2021, 25(110), 964-972 Abstract | PDF RESEARCH Awareness about passive smoking among Jazan University students, Saudi Arabia Abeer Juraybi, Alshaymaa Arishy, Ebtihal Qussairy, Ebtessam Majrashi, Kholoud Alfaifi, Jawaher Al-Musalam, Ola Abu Dyab, Abuobaida Yassin Background: Passive smoking is a dangerous result of active smokings which have harmful effects on the heart and blood vessels and increase the risk of lung cancer, this study conducted to identify the awareness about passive smoking among Jazan University students Medical Science, 2021, 25(110), 973-984 Abstract | PDF ANALYSIS Peculiarities of the course of coronavirus disease COVID-19 in children of various ages in certain regions of Ukraine Sergiy Kramarov, Olena oloskova, Tetiana Bilous, Lorina vanova, Tatiana Kaminska, Iryna Nezgoda, Tetiana Stoieva, Yurij Kharchenko, ykola Garas, Vitalii Yevtushenko, Iryna Seriakova, Larysa Stanislavchuk, Yuliana Lobortas The research aimed to conduct a generalized analysis of clinical information of diagnosis and treatment of coronavirus disease COVID-19 in children of different ages Medical Science, 2021, 25(110), 985-998 Abstract | PDF The distribution of Duffy alleles and genotypes in a Western Saudi cohort Waleed M Bawazir, Asim Khogeer, Azoof Ashour, Mohammad Sabbag, Raed Alserihi, Raed Felimban, Nora Hakami, Malik Altayar, Ahemd Mirza, Refaat Elfayomi, Thoraia Shinawi Background and Objective: The Duffy blood group is clinically significant in transfusion medicine, and is based on the presence of glycoproteins known as Fy antigens on the surface of red blood cells Medical Science, 2021, 25(110), 999-1009 Abstract | PDF Barriers to managing COVID-19 pandemic: Attitude towards vaccination and implications for public health Zeinab Kasemy, Hoda Shreif, Alaa Tantawy, Ayah Barakat, Asmaa Sharif Background: In order to achieve long-term optimum public health response, herd immunity is required, and this may happen if general populations willingly offered the COVID-19 vaccine Medical Science, 2021, 25(110), 1010-1019 Abstract | PDF

Delta and some other airlines prohibit the use of smokeless tobacco products (dip and snus) because they make a mess and require spitting, creating an unpleasant atmosphere for other passengers