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WARSAW, Oct. 13 (Xinhua) -- Polish Prime Minister Mateusz Morawiecki went into self-quarantine on Tuesday after contact with someone who tested positive for COVID-19, the illness caused by the novel coronavirus.

"Due to having contact with a person infected with COVID-19, I will go into quarantine according to all standard procedures," the PM wrote on social media, "I will keep in constant contact with my associates and all services."

According to Polish media, the person who tests positive was a member of the government security detail.

Government spokesperson Piotr Muller told broadcaster TVN that there is no testing information on Morawiecki as of Tuesday midday.

The country confirmed 5,068 COVID-19 cases during the last 24 hours.

As the world is struggling to control the pandemic, countries across the globe -- including China, Russia, Britain and the U.S. -- are racing to find a vaccine.

According to the website of the World Health Organization, as of Oct. 2, there were 193 COVID-19 candidate vaccines being developed worldwide, and 42 of them were in clinical trials. Enditem