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Apart from constant backing from the government and universities, more investment from the private sector is needed to facilitate the manufacturing of Hong Kong's high-tech anti-epidemic products, say experts.

Apart from additional store closures, Apple said it will also make more donations to help the global fight against the virus.

Anna Gao, vice-president of Tencent Games, said: "Faced with the tendency of lower age in internet users, the cooperation between the Lego Group and Tencent can leverage technological and innovative means to build a healthy online environment for children."

Anti-violence protesters marched along a Chicago interstate on Saturday. [Photo/Agencies]

Apart from traditional male condoms, many young people still lack knowledge about other safe and effective contraceptives, including female condoms and long-acting reversible contraception, including intrauterine devices and birth control implants, she added.