Fighting COVID-19 Pandemic in 2024: Old Battle in New Grounds!

The journey of the novel coronavirus began in the city of Wuhan, China, in late 2019.1 The virus quickly spread globally, leading to widespread illness and mortality. As scientists and health officials grappled with understanding the virus, genomic surveillance became a critical tool in tracking its evolution. Over time, multiple variants of SARS-CoV-2 have emerged, characterized by specific genetic mutations that alter the virus's behavior and transmissibility. The World Health Organization has classified these variants into categories of interest, concern, and high consequence, based on their potential impact on public health.2 These variants have played a significant role in shaping the trajectory of the COVID-19 pandemic, impacting public health, health-care systems, and societal norms over the past 4 years. The evolutionary trajectory of the virus has witnessed several notable phases, each marked by the emergence of distinct variants. One of the most impactful phases was the Delta variant, first identified in India in late 2020. The Delta variant exhibited increased transmissibility, leading to devastating waves of infections in various parts of the world. Notably, India faced a severe death toll during the Delta wave, highlighting the strain on health-care systems and the urgent need for global collaboration in response to emerging variants.3 Omicron, another variant of SARS-CoV-2, identified in late 2021, led to a significant shift in the pandemic landscape. This variant was characterized by multiple mutations in the spike protein, raising concerns about potential increased transmissibility and vaccine escape. Omicron quickly became the dominant variant in many regions, contributing to the onset of the third wave of the COVID-19 pandemic, particularly impacting countries like India. Thus, with each passing year, the virus is mutating. The trend usually is to become more infectious and milder to persist and thrive. However, any mutation leading to increased lethality of the virus can prove to be disastrous. The recent SARS-CoV-2 BA.2.86 lineage, identified in August 2023, exhibits over 30 mutations in the spike protein, suggesting a high potential for immune evasion. Its descendant, JN.1, emerged in late 2023 with unique mutations, including S: L455S. Comparative analysis indicates that JN.1 has a higher effective reproductive number than BA.2.86.1 and HK.3, suggesting its potential to become the dominant lineage globally, as evidenced by its surpassing of HK.3 in France and Spain by the end of November 2023.4 Following a recent rise in COVID-19 cases in some Indian states/union territories and the identification of the new JN.1 variant, the government authorities in India have emphasized the importance of staying vigilant. In a formal advisory, the ministry has acknowledged the effective collaboration between the center and state governments, which has kept COVID-19 rates low.5 However, with the virus still circulating and adapting to Indian weather conditions, continued efforts are crucial. The authorities outlined key strategies: urging states to implement public health measures during the upcoming festive season, comply with revised surveillance guidelines, monitor and report illness cases, ensure sufficient testing, especially using reverse transcription–polymerase chain reaction, and encourage increased testing and genome sequencing. Active participation of health facilities in drills and community awareness campaigns is also highlighted to manage COVID-19 effectively, including promoting respiratory hygiene. The need for a novel COVID-19 vaccine for the emergence of strains has also been highlighted, for which the emergent viral strain samples have been sent to the necessary vaccine manufacturers. Despite the absence of a definitive treatment, we have successfully navigated the relentless COVID-19 pandemic by adopting a multi-faceted approach that combines vaccination with crucial preventive measures. Wearing masks, practicing good hand hygiene, and maintaining social distancing have proven instrumental, acting as a shared shield against respiratory droplets and reducing infection risks. Public awareness campaigns and community engagement have empowered individuals to make informed health decisions, emphasizing the collective responsibility in our fight against the virus. This holistic approach, fortified by local leadership and tailored interventions, highlights our resilience and commitment to protecting communities and societies at large in the face of an ever-evolving threat. A constant vigil can help us prevent and mitigate the current threat of another rise in pandemic cases. Financial support and sponsorship Nil. Conflicts of interest There are no conflicts of interest.