The earliest report of the COVID-19 mutant "delta", which was first reported in India, has been spread to more than 80 countries and regions within 6 short months after being discovered. However, a worse news came to India that the delta delta virus has been found to have infected 20 people.

According to the latest reports from foreign media, there is a COVID-19 variant "Delta plus" in India, and nearly 20 people have been diagnosed with infection. The "delta +" strain was formed by further mutation of highly infectious delta mutant.

Sujit Singh, director of India's National Center for disease control, said: "we found 15 to 20 cases of infection with the 'delta +' variant in Tamil Nadu, Maharashtra, Punjab and Madhya Pradesh. Although the delta mutant is still the most infected virus, we still need to pay close attention to "delta +"

Singh said that the Indian side is studying the infectivity and severity of the "delta +" mutant. Relevant departments have collected samples from infected patients and sent them for identification, and the results will be available soon.

The head of India's medical education and research department, rahan, also said that eight patients infected with the "delta +" variant in Maharashtra state were all with mild symptoms and have recovered“ These cases have been in the area for more than a month, and there is no sign of high infectivity at present. "

Recently, a novel coronavirus pneumonia variant called Delta has sounded the new alarm for the global epidemic. In just a few days, more than 10000 new confirmed cases returned to the UK, of which 99% were infected with delta virus; Nearly 90% of new confirmed cases in Moscow are also infected with the virus.

Swaminathan, chief scientist of WHO, said on the 18 th, "the delta strain is becoming the major COVID-19 mutation in the world".

The U.S. journal Rolling Stone said on the 19th that the infectivity of delta virus strain is 43% to 90% higher than the previous new coronavirus strain, which is the main cause of 99% of new cases in Britain. This strain first appeared in India, and has spread to more than 80 countries and regions in just six months after it was found.

Local time in June 18th, the England public health department released a report that since June 11th, the infection of the COVID-19 mutant strain "delta strain" found in India has increased by 33630 cases. According to the latest sequencing and genotyping data, in the past week, 99% of the confirmed cases in the United Kingdom were infected with the "delta strain".