A second COVID-19 vaccine booster dose is effective and safe for older adults.This study investigated hesitancy to take up a second COVID-19 vaccine booster dose and its determinants among older adults in Hong Kong.Participants were Chinese-speaking community-dwelling adults aged 65 years or above.Telephone numbers were randomly selected from up-to
Scaling up of insecticide treated nets has contributed to a substantial malaria decline.However, some malaria Beaker Rigs vectors, and most arbovirus vectors, bite outdoors and in the early evening.Therefore, topically applied insect repellents may provide crucial additional protection against mosquito-borne pathogens.Among topical repellents, DEET
In ceramic industry, zircon sand is widely used in different applications because zirconia plays a role as common opacifying constituent.In particular, it is used as a basic component of glazes applied to ceramic tiles and sanitary ware as well as an opacifier in unglazed bulk porcelain stoneware.Natural zircon sands are the major source of zirconi