An ICMR study has discovered that among 677 members who tried Covid positive after inoculation, 86% were contaminated by the Delta variation
2. The overall majority (86.09%) of the breakthrough infections were caused by the Delta variant (B.1.617.2).
3. 9.8% of the positive Covid-19 cases required hospitalization while fatalities were observed in only 0.4% of the cases.
4. The study has suggested that vaccination does provide a reduction in hospital admission and mortality.
5. A total of 677 people had tested positive in the real-time RT-PCR tests done across North, South, West, East, Northeast and central parts of India. The samples were collected from 17 states and Union Territories. The 17 states are Maharashtra, Kerala, Gujarat, Uttarakhand, Karnataka, Manipur, Assam, Jammu and Kashmir, Chandigarh, Rajasthan, Madhya Pradesh, Punjab, Pondicherry, New Delhi, West Bengal and Tamil Nadu.
6. A total of 482 cases (71%) were symptomatic with one or more symptoms while 29% had asymptomatic SARS-CoV-2 infection.
7. Fever (69%) was the most consistent symptom followed by body ache, headache and nausea (56%), cough (45%), sore throat (37%), loss of smell and taste (22%), diarrhoea (6%), breathlessness (6%) and 1% had ocular irritation and redness.
8. The breakthrough infections post-vaccination were mainly due to the Delta and Kappa variants.
9. 71 (10.5%) were vaccinated with Covaxin, 604 (89.2%) were vaccinated with Covishield, 2 (0.3%) had received the Sinopharm vaccine.
10. While 3 people died (0.4%), hospitalization was required for 67 (9.9%) cases