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The circular also required efforts to strengthen on-the-job training and increase reserve of key equipment and materials, and improve the comprehensive rescue capability for major accidents and disasters.

Viruses recognize no national borders and epidemics do not discriminate between races, Xi stressed, adding that in the battle against the current global public health crisis, the urgency and significance of building a community with a shared future for mankind have become even greater.

NHC figures show that 131 domestically transmitted COVID-19 cases had been reported on the Chinese mainland in April, and more than 60 percent of them were clustered infections in Heilongjiang.

On international cooperation, Xi required closer cooperation with the World Health Organization to strengthen the analysis and prediction of the changes in the global epidemic situation, and improvement in strategies and policies to cope with imported risks.

Geng made the remarks at a daily press briefing in response to a question concerning Vietnam's claim of sovereignty over the South China Sea islands.