A study on Punjab police personnel has illustrated what health researchers say is the dramatic protective effect of Covid-19 vaccines, but has also underlined how data denial by the Centre can handicap even government research efforts.
The study by officials with the state health systems resource centre, a division linked to the Union health ministry’s National Health Mission, has found a 98 per cent protective effect against death after two doses of the vaccines.
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The officials analysing Covid-19 deaths during the epidemic’s second wave have documented 15 deaths among 4,868 unvaccinated police personnel, nine deaths among 35,856 vaccinated with a single dose, and two deaths among 42,720 who had taken both doses. The death rates translate into three per 1,000 among unvaccinated, 0.25 per 1,000 vaccinated with a single dose, and 0.05 per 1,000 vaccinated with two doses.
Covaxin third phase clinical trials results out, 77.8 per cent effective against Covid-19
Covaxin has also been found to be 65.2 percent effective against the dreaded Delta variant of Coronavirus, which is becoming the dominant strain of the virus across the world.
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| A+A A- By Express News Service
HYDERABAD: Covaxin, the Covid-19 vaccine developed by Hyderabad-based vaccine maker Bharat Biotech in collaboration with the Indian Council of Medical Research (ICMR), has been found to be 77.8 percent effective in the Phase-III clinical trials.
Also, Covaxin has been found to be 93.4% effective against severe symptomatic form of Covid-19 and 63.6 percent effective against asymptomatic Covid-19.
Covid-19: India records 44,111 new cases, 738 deaths
PTI/New Delhi
PTI
Fatalities have fallen to their lowest in 86 days, according to the Union Health Ministry.
India saw a single-day rise of 44,111 new coronavirus infections, raising its tally to 3,05,02,362, while the death toll climbed to 4,01,050 with 738 new fatalities, the lowest in 86 days, according to the Union Health Ministry data updated on Saturday.
The active cases 4,95,533 were recorded below five lakh after 97 days and comprised 1.62 percent of the total infections. The national Covid-19 recovery rate improved to 97.06 percent, the data updated at 8 am showed.
A net decline of 14,104 cases has been recorded in active coronavirus infections in a span of 24 hours, it said.
Covaxin 77 8% effective against Covid-19: Bharat Bio - The Hindu BusinessLine thehindubusinessline.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thehindubusinessline.com Daily Mail and Mail on Sunday newspapers.
Bharat Biotech says that the final efficacy analysis of Covaxin shows it to be 77.8 per cent effective against symptomatic Covid-19, through evaluation of 130 confirmed cases, with 24 observed in the vaccine group versus 106 in the placebo group. The company claimed Covaxin is the first to report promising efficacy against asymptomatic infections based on qPCR testing that will help in reducing disease transmission. This paves the way for Covaxin to get World Health Organisation s approval for its inclusion in the Emergency Use List of Covid-19 vaccines. The company added that the analysis demonstrates Covaxin to be 93.4 per cent effective against severe symptomatic Covid-19. The safety analysis demonstrates that adverse events reported were similar to placebo, with 12 per cent of the subjects experiencing commonly known side effects and less than 0.5 per cent of them feeling serious adverse effects. The efficacy data further demonstrates 63.6 per cent protection against asympt