Srinagar, Nov. 4 -- When the nurse at a private hospital in Srinagar asked the parents of an 11-month-old baby whether they preferred a trivalent or tetravalent flu shot, they froze.

"We weren't sure what they were going to give, so we just left without getting the vaccine," the parents said.

They aren't alone. Another parent of a two-year-old shared similar hesitation: "Why should I get the vaccine when my child still caught the flu last year? I'm still not clear how long the immunity lasts," the concerned mother said.

With a spike in flu cases across Kashmir, doctors are once again urging vaccination - but confusion over which flu shot to choose and how effective it really is has left many families uncertain. To clear the air, Kashmi...