For the first time, the Omicron BA.4 and BA.5 subvariate were found in MERS-CoV patients in Mumbai, in the latest round of genome sequencing conducted at Kasturba Gandhi Hospital.
According to the officials of Brihanmumbai Municipal Corporation (BMC), three patients with BA.4 subvariate and one patient with BA.5 subvariate were detected in Mumbai. These patients were identified from samples taken between 14 and 24 May.
Of the four patients with subvariables, two were girls at the age of 11 years and the other two patients were men in the age range from 40 to 60 years. These patients had no history of foreign travel.
“The adult infected with the BA.4 virus was not vaccinated. The other adult who was found to be infected with the BA.5 variant had received two doses of the vaccine,” said one of the officers. “They all recovered in home isolation, without any health complications,” the officer added.
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A total of 279 samples were collected for the 12th round of whole genome sequencing, of which 202 were from Mumbai while the rest were from outside the city. Among the Mumbai samples, 201 were detected with Omicron variants, while one of them was of the Delta subtype, which means that the Omicron variant was prevalent in 99.5 per cent of the samples in the city.
Among the 202 patients, two patients took only the first dose of the Covid-19 vaccine while 129 patients took both doses of the Covid-19 vaccine.
The vaccine, nine of them were hospitalized and only one of them was in the intensive care unit.
Of the 71 patients who did not take any dose of the Covid-19 vaccine, nine were hospitalized, but only two were in the intensive care unit and one died of infection.
The data provided by BMC further showed that 24 samples of patients up to the age of 20 were infected with the omicron subvariant of MERS-CoV, but none of them showed any serious symptoms.
According to BMC, of the 202 patients, 24 (12 percent) were in the 0-20 age group, 88 (44 percent) were in the 21-40 age group, and 52 (26 percent) In the age group 41 to 60 years, 32 patients (13 percent) were in the age group 61 to 80 years, and only five patients (2 percent) were in the age group 80 and older.