Suggestions from health experts on dealing with the threats of summer heat and the spread of COVID-19:

-Wearing a face mask, although that may increase the risk of heatstroke in summer

-"All air conditioning and industrial ventilation systems for both residential and high occupancy buildings should be inspected, maintained and cleaned regularly to prevent transmission"

-"Even in well-ventilated environments, people should continue following recommendations of physical distancing and frequent hand hygiene"

Beijing on Tuesday reported 13 new locally transmitted coronavirus cases in the past 24 hours, up from nine cases from the previous day, according to the city's health officials.

On Saturday, Beijing reported 22 new confirmed cases of COVID-19, bringing the total on the Chinese mainland to 83,378, according to a news release by the National Health Commission.

Chinese researchers have revealed that the asymptomatic infections of the novel coronavirus disease (COVID-19) have a weaker immune response compared with the symptomatic ones.

The World Health Organization warned on Monday that all countries face a delicate balance between protecting their people and minimizing the social and economic damage.

China has issued a circular demanding medical institutions specializing in traditional Chinese medicine (TCM) further strengthen their COVID-19 epidemic prevention and control measures.

Disney English, the immersive training business for children of the Walt Disney Company, has decided not to reopen its operations at its 26 learning centers and to cease offering offline classes in the country as there's increasing preference for online education amid the global COVID-19 pandemic.

Efforts were made to turn desertification lands into the ecological garden in Yinchuan and ornamental plants are cultivated here as part of plans to promote local tourism.

A COVID-19 testing lab built with an air-inflated structure went into trial operation on Monday at a sports venue in Daxing District of Beijing to address the city's rising demand for nucleic acid tests after a cluster of infections were confirmed recently. The mobile Huoyan (Fire Eye) laboratory was built in two days over the weekend to accommodate 14 automated COVID-19 testing machines provided by Chinese biotech company BGI Genomics based in the city of Shenzhen, south China's Guangdong Province. 

China launched the last satellite of the BeiDou Navigation Satellite System (BDS) from the Xichang Satellite Launch Center in southwest China's Sichuan Province at 9:43 a.m. on Tuesday (Beijing Time).