<p>A gap between injecting first and second Sputnik V coronavirus vaccine shots could be extended to 180 days, the Russian Direct Investment Fund (RDIF) said on Friday, citing the vaccine developer, and adding that the longer interval is securing a better immune response.</p>.<p><strong>Also read: <a href="http://deccanherald.com/state/top-karnataka-stories/covid-19-crisis-sputnik-v-flies-off-the-shelves-in-bengaluru-1006351.html" target="_blank">Covid-19 crisis: Sputnik V flies off the shelves in Bengaluru</a></strong></p>.<p>The Philippines Food and Drug Administration said this week that the Gamaleya Institute had requested the interval between the two doses be extended to 90 days from 21 days currently.</p>.<p>In a statement to Reuters, RDIF, which markets the Sputnik V vaccine, said the longer gap is securing a better immune response and has nothing to do with the vaccine's sales abroad.</p>
<p>A gap between injecting first and second Sputnik V coronavirus vaccine shots could be extended to 180 days, the Russian Direct Investment Fund (RDIF) said on Friday, citing the vaccine developer, and adding that the longer interval is securing a better immune response.</p>.<p><strong>Also read: <a href="http://deccanherald.com/state/top-karnataka-stories/covid-19-crisis-sputnik-v-flies-off-the-shelves-in-bengaluru-1006351.html" target="_blank">Covid-19 crisis: Sputnik V flies off the shelves in Bengaluru</a></strong></p>.<p>The Philippines Food and Drug Administration said this week that the Gamaleya Institute had requested the interval between the two doses be extended to 90 days from 21 days currently.</p>.<p>In a statement to Reuters, RDIF, which markets the Sputnik V vaccine, said the longer gap is securing a better immune response and has nothing to do with the vaccine's sales abroad.</p>