‘Unexplained decline in COVID-19 cases` in Pakistan puzzles health experts and policymakers
(WorldNews Pakistan)

The presence of a kind of “non-specific immunity” that is unique to the Pakistani people due to multiple exposures to various vaccines, including BCG and Oral Polio Vaccine (OPV), high humidity in the current monsoon season and a low transmission rate in the peak summer season could be some of the factors slowing down the COVID-19 pandemic in Pakistan, health experts and officials told The News on Tuesday. “There is no doubt that the percentage of COVID-19 positive cases, the number of hospitalised patients and deaths have been declining in Pakistan since the start of July 2020. As far as the reason behind this decrease in cases is concerned, it could mainly be due to the presence of a...