Authorities working to contain outbreak of disease that is worse than bubonic plague

Two people in China have been diagnosed with plague, the latest cases of a disease more commonly associated with historical catastrophe.

Plague is caused by the bacterium Yersinia pestis and can arise in three forms a lung infection, known as pneumonic plague; a blood infection, known as septicemic plague; and a form that affects the lymph nodes, called bubonic plague.

The latter form is perhaps the most famous, and was behind several pandemics including the Black Death of the late middle ages, which is estimated to have killed up to 60% of the European population.

The two new cases being treated at a hospital in Beijing are of the pneumonic form, which is even more serious than bubonic plague.

According to the Centers for Disease Control and Prevention (CDC) in the US, plague typically spreads to humans who have handled an infected animal or who have been bitten by a flea hosted by an infected animal. However, in the case of pneumonic plague it can be spread when an infected person coughs. Pneumonic plague is highly contagious and is fatal if not treated quickly with antibiotics.

The World Health Organization (WHO) said it understood that close contacts were being screened and managed. The [Chinese] National Health Commission are implementing efforts to contain and treat the identified cases and increasing surveillance, said Fabio Scano, of WHO China.

It is not the first time in recent history that China has dealt with cases of plague. In 2014 the city of Yumen was sealed off and 151 people were placed in quarantine after a man died from the disease.

According to the CDC, plague largely of the bubonic form continues to crop up in rural areas of the US, including northern Arizona, southern Colorado and southern Oregon. In 2014 there were 16 cases and four deaths in the US, including that of a man from Utah thought to have come into contact with an infected flea or dead animal.

Recent epidemics have been reported in Africa, Asia and South America, predominately in rural regions. The WHO reported 3,248 cases and 584 deaths from plague worldwide between 2010 and 2015.

In 2017 Madagascar had an outbreak of plague, with 2,348 cases and 202 deaths, of which 1,791 cases were pneumonic plague.

This year in Mongolia a couple died from plague apparently after eating raw marmot kidney, triggering a six-day quarantine in the region.

Source: http://www.theguardian.com/us

 

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