The health minister said most patients admitted to hospitals in the State did not need oxygen or severe medication.
Repeated attempts to contact medical college dean Dr Rajendran went in vain.
The sero-survey conducted in January-February this year shows that approximately 92.9 per cent of the population in the State has developed Covid-19 antibodies.
As per the report of the Mumbai-based Kasturba Hospital Central Laboratory, the 23 cases comprise 17 infections caused by BA.5 and six by BA.4.
The United States suspended agreements that treated Hong Kong as a separate territory for trade, saying the city no longer had enough autonomy from control by Beijing.
Dr Sanjay Rai, a senior epidemiologist at AIIMS, said SARS-CoV-2 is an RNA virus which has already seen over 1,000 mutations even though the number of variants of concern are only five.
The number of people who have recuperated from the disease surged to 4,27,61,481, while the case fatality rate was 1.21 per cent.
The national capital recorded 1,447 new Covid cases and one more death on Friday, while the positivity rate dropped to 5.98 per cent, according to the data shared by the health department.
The Lancet Infectious Diseases journal, which based its findings on estimates of “excess” mortalities in the country during the pandemic.
Health officials from the health centre near the municipal high school, conducted RT PCR tests on 40 cadets who showed symptoms.
Health Minister Ma Subramanian on Friday said beds for Covid-19 patients were being readied in various government hospitals.
Shaken by pay cuts & lay-off, they seek govt intervention for minimum wage, job security
Ayurvedic treatment is cost-effective and the need for hospitalisation is far less and there are no invasive procedures.
A statement said that the chief minister, at a virtual meeting with senior bureaucrats, also discussed the possibility of making face masks mandatory for suburban train commuters.
The DCGI had approved Covovax for restricted use in emergency situations in adults on December 28 and in the 12 to 17 years age group subject to certain conditions on March 9.