Two COVID-19 antivirals get FDA nod for emergency use

Paxlovid is not recommended for patients with severe kidney or liver disease, and if given to people with uncontrolled or undiagnosed HIV infection may result in HIV drug resistance. Molnupiravir is not recommended for use during pregnancy as the drug may harm the foetus. If full vaccination with any of the COVID-19 vaccines greatly reduces … Continue reading Two COVID-19 antivirals get FDA nod for emergency use

How the idea of vaccine protection changed in one year

As the virus evolved, our perception of protection conferred by vaccines changed dramatically. From the popular notions of herd immunity and vaccinating our way out of the pandemic, the discussion is now centred around booster doses and the eventuality of living with the virus. As the virus evolved, our perception of protection conferred by vaccines … Continue reading How the idea of vaccine protection changed in one year

Does the Omicron variant make a case for booster doses?

What is the major objective of a booster dose -- to protect from infection or protect from severe disease and death, who should get it first whenever it is approved, is there enough evidence recommending for their use, and should we give boosters when primary immunisation is not complete? Dr. Chandrakant Lahariya, physician epidemiologist and … Continue reading Does the Omicron variant make a case for booster doses?

Restrictive voluntary license of COVID-19 antivirals compromises access, says Leena Menghaney

On the face of it, the agreement signed between the Medicines Patent Pool and the two pharmaceutical companies Merck and Pfizer appear to be making it easy to access COVID-19 antiviral drugs molnupiravir and Paxlovid, respectively. Yet, the voluntary license restricts the countries and population that have easy access to the antivirals. It even restricts … Continue reading Restrictive voluntary license of COVID-19 antivirals compromises access, says Leena Menghaney

Pfizer’s antiviral Paxlovid is a major advancement potentially for all coronaviruses, says Gagandeep Kang

Gagandeep Kang Besides 89% efficacy in preventing death and hospitalisation in specific groups that have high risk of progressing to severe disease when treatment is initiated within five days of symptoms showing up, Pfizer's antiviral against SARS-CoV-2 virus has been found to limit damage to lung tissue in human cells and mouse models of SARS-CoV-2. … Continue reading Pfizer’s antiviral Paxlovid is a major advancement potentially for all coronaviruses, says Gagandeep Kang

‘Pandemic far from over’ even as global death toll crosses five million

The global death toll from COVID-19 crossed five million on November 1 and yet the the global number of reported cases and deaths from COVID-19 is now increasing for the first time in two months. The first million deaths were recorded on September 8, 2020, nearly nine months after the first death occurred, while the two-million mark was breached three and a … Continue reading ‘Pandemic far from over’ even as global death toll crosses five million

More studies show hybrid immunity provides better protection

One more study has shown that a combination of natural infection and a single dose of vaccine provides greater immunity than either natural infection without vaccination or full vaccination in infection-naïve individuals. Yet another study has shown that a combination of natural infection with a single dose of vaccine provides greater immunity than either natural … Continue reading More studies show hybrid immunity provides better protection

Why three Nordic countries have suspended Moderna vaccine

On October 6, Sweden and Denmark, followed by Finland a day later, suspended the use of Moderna’s mRNA vaccine for younger age groups after reports pointed to an increase in the number of myocarditis and pericarditis cases. Why three Nordic countries have suspended Moderna vaccine. On October 6, Sweden and Denmark suspended the use of … Continue reading Why three Nordic countries have suspended Moderna vaccine

Soon mRNA vaccines for young children who rarely suffer from severe disease

Young children rarely suffer from severe disease, yet mRNA vaccines might soon be greenlighted by the FDA after Pfizer submitted Phase-2/3 data for initial review. The company expects to submit data of children 2-4 years and 6 months to 1 year by the end of the year. Vaccinating young children while even health-care workers in … Continue reading Soon mRNA vaccines for young children who rarely suffer from severe disease

mRNA vaccine manufacturers loathe to share know-how

Moderna, which was funded $1 billion for research by the U.S. government, said in October 2020 that it will not enforce COVID-19-related patents against those making vaccines intended to combat the pandemic. But the company has refused to transfer technology to the South African hub to manufacture its mRNA vaccines for distribution to the African … Continue reading mRNA vaccine manufacturers loathe to share know-how