India Coronavirus Dispatch: Falling cases a challenge for Phase-3 trials

How the pandemic will shape the budget, research on persisting symptoms, Bharat Biotech's intranasal vaccine-news relevant to India's fight against Covid-19

Declining caseload a huge positive, but a challenge for Phase-3 trials

While the declining caseload since mid-September is a major source of encouragement in the efforts to contain Covid-19, it poses a challenge in carrying out phase-3 trials, according to a report in The Hindu.

The declining caseload will be a challenge because of the requirement of certain cases to develop in the trial after vaccine administration to understand the efficacy, Dr Giridhara Babu, an epidemiologist at the Public Health Foundation of India, Bengaluru told The Hindu. In order to reach the sample size efficiently, Babu suggests recruiting participants based on an