Hyderabad: Since cases of people tested covid-19 positive results even after they were vaccinated from Covid-19, especially healthcare workers in a lot of confusion over the efficacy of the vaccines.
Such incidents also increase doubts over vaccines and whether effective against new variants of SARS-CoV-2, which are playing a significant role in ongoing second wave of the pandemic.
Senior doctors and public health officials in Hyderabad, who are tracking the development closely, said that at present nobody knows whether the new variants or mutations would make vaccines ‘useless. However, they point out that new variants or virus mutations have the potential to reduce the efficacy of Covid vaccines.
However, The Centres for Disease Control and Prevention (CDC), which defines individuals tested covid-19 positive after getting vaccinated as ‘breakthrough case’, says that such instances are expected. CDC has said that ‘vaccine breakthrough cases occur in only a small percentage of vaccinated persons. Fully vaccinated people must continue to protect themselves like wearing masks, physical distancing, avoiding mass gatherings etc.’.
- Dr. Manmohan Singh, former prime minister of India, has received both doses of Covaxin the first on March 4 and the second on April 3, tested Covid positive.
- Dr. K Ramesh Reddy, Director of Medical Education (DME), who was among the first to receive the vaccine jab when it was launched on January 16, tested Covid positive.
- In Telangana, 16 individuals tested covid-19 positive after getting vaccinated since January as ‘breakthrough case’.
- In USA, the CDC has received 5,814 reports in which individuals tested covid-19 positive after getting vaccinated as ‘breakthrough case’.
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