India COVID Cases See Uptick in Urban Areas: New Subvariants Detected, Should You Be Worried?

India is witnessing a slow but steady uptick in COVID-19 cases across several states, with health authorities confirming that the majority of the newly reported infections are mild and manageable at home.

Southern states such as Kerala, Tamil Nadu, Karnataka, and Telangana have recorded a noticeable increase in cases over the past week. Similar trends have also been observed in Delhi and Maharashtra. The Union Health Ministry has stated that most new cases are emerging from urban centres like Delhi, Noida, Hyderabad, Bengaluru, Thane, Indore, and Rishikesh.

Fortunately, the vast majority of patients are recovering in home isolation, and hospitalisation has not been widely required. Recent COVID-linked deaths reported from Thane and Bengaluru were attributed to individuals with pre-existing severe comorbidities rather than the virus itself.

New Variants Enter India, But No Cause for Panic Yet

Data from the Indian SARS-CoV-2 Genomics Consortium (INSACOG) reveals that one case of the NB.1.8.1 variant was identified in Tamil Nadu in April, while four cases of the LF.7 subvariant were detected in Gujarat in May.

These two variants - NB.1.8.1 and LF.7 - are currently classified as Variants Under Monitoring by the World Health Organization (WHO) and not listed under Variants of Concern or Variants of Interest. However, these are the same variants contributing to recent case surges in China and parts of Asia.

Dominant Strains in India

Despite the detection of new subvariants, the most widespread variant in India remains JN.1, accounting for 53% of sequenced samples. This is followed by BA.2 (26%) and other Omicron-related sublineages (20%).

Experts have noted that while the NB.1.8.1 variant carries mutations (A435S, V445H, and T478I) that may increase its transmissibility and ability to evade immune responses, WHO's preliminary risk assessment suggests it poses low global public health risk at present.

Doctors Urge Public to Stay Calm

In response to rising case numbers, doctors in Delhi and other major cities have called for calm, stressing that the JN.1 strain currently circulating is not causing severe illness. Most infections involve mild symptoms, and no large-scale hospital admissions have been reported.

While experts agree that JN.1 is highly transmissible, they reiterate that there is no indication of heightened severity. Health professionals continue to monitor the situation closely and urge the public to follow basic preventive measures while avoiding panic.