New Delhi: Around 150 Army personnel who arrived in the national capital from various locations in the last few weeks to participate in the Republic Day and Army Day parades have tested positive for COVID-19, official sources said.The infection was detected during a mandatory testing for COVID-19 under a strict protocol formulated to insulate all the personnel taking part in the two parades from the COVID-19 infection, they said.Over 2,000 Army personnel have arrived in Delhi since late November for the Republic Day and Army Day parades using various modes of transport and all of them had to undergo the COVID-19 test before they were put into a "safe bubble", the sources said.Those who have tested negative are being put into the "safe.