health π¦ H1N1 still circulating, climate change adds stress
H1N1 continues to circulate sixteen years after the 2009 pandemic, integrating into seasonal flu alongside H3N2 and influenza B. This virus keeps evolving as human and animal populations interact, alongside shifting climate conditions. Influenza activity in India varies widely by region, making a single national pattern hard to track. Regular surveillance is crucial to spot changes, especially from animal-origin infections. Climate change is altering transmission patterns, forcing health systems to adapt their seasonal planning. π¦