Pfizer’s COVID-19 vaccine becomes first to get emergency authorisation

UK government gives nod on basis of interim results, vaccine to be made available by next week  

Making COVID-19 vaccines in Africa: Advances and sustainability issues

Demand, market for locally produced vaccines critical for sustainability of 15 COVID-19 vaccines manufacturing facilities

COVID-19 surge: Why has China not attained herd immunity despite high vaccination coverage?

Germany, South Korea, Vietnam are also reporting increase in COVID-19 cases despite extensive vaccination

New Delta+ variant found in India can escape antibodies

Mutations in the Delta+ variant can render vaccines and treatments ineffective

COVID vaccines: How to make sense of reports on their effectiveness

Real-world trials come with some problems: The target of vaccination, what time it was rolled out and emerging variants

Delaying the second COVID-19 vaccine dose: A medical expert answers key questions

The uncertainty is around how long the protective effect of the first dose will last without a second shot

COVID-19 vaccines are coming – how will we know they work and are safe?

The results of the Pfizer vaccine trial are highly promising. But the road to eradicating the coronavirus is likely to be long and difficult

Why other African countries need to guard against South Africa COVID-19 variant

WHO and African Centres for Disease Control to strengthen genomic surveillance capacities

Dummy’s guide to how trade rules affect access to COVID-19 vaccines

The WTO is considering whether to temporarily waive certain rules about TRIPS, to allow more countries access to vaccines, drugs needed to …

Lateral Thoughts: Waiting for the vaccine?

Vaccination programmes cannot be dealt with outside the purview of public health

Effectiveness of COVID-19 vaccines against infection, severe disease declined with new variants; here's how

AstraZeneca vaccine provided least protection against infection, showed most rapid decline

WATCH: Will mixing COVID-19 vaccines be effective?

Some early studies have shown that combining vaccines produce a better immune response. But the efficacy of the vaccine combination is yet to be …

COVID-19 vaccines: How Pfizer and Moderna’s 95% effective mRNA shots work

Should we expect the pandemic to be over once a vaccine is available for public use? Not exactly. A vaccine will not be perfect, and it takes …

Moderna’s COVID vaccine reports 95% efficacy. It means we might have multiple successful vaccines

It opens the door to the possibility we might have many successful vaccines, and be able to tailor different vaccines to people with different needs

COVID-19: Pfizer, AstraZeneca efficacy significantly reduced against omicron, says UK health agency 

Omicron is displaying growth advantage over delta and is poised to become dominant variant in UK

Covaxin effective against UK Strain: What does this mean in absence of efficacy data?

Being a whole-virus vaccine doesn’t give Bharat Biotech product any advantage at this stage, say experts

Lateral Thoughts: Waiting for bad news

Adverse reactions are part and parcel of vaccination. We can know about safety of COVID-19 vaccines being used in India only after people receive …

COVID-19 immunity: how long does it last?

In UK’s second wave, previously infected health workers were either completely protected from reinfection or were asymptomatic 

Omicron may already be in most countries, WHO warns

People dismissing omicron infection as mild may fuel spread, says WHO

Pfizer withdraws application for Emergency Use Authorisation in India

The company will resubmit application after getting more data

COVID-19 vaccine: Oxford-AstraZeneca up to 90% effective in late stage trial

Adenovirus vaccine can be stored at 2-8°C; company to apply for emergency authorisation

Experts suggest updating vaccines for new variants. How does it work & what are the challenges?

It is easier to update certain vaccine platforms than others, say experts

COVID-19 Challenge 2021: How does the world overcome vaccine shortage

The pharmaceuticals industry must come together to ensure all adults are vaccinated against the novel coronavirus; …

COVID-19 in Africa: The pain of getting the jab

The COVAX Facility and the African Union are struggling to bring some relief to Africa which has been suffering from vaccine apartheid

What COVID-19 vaccine side effects might I expect?

In the vast majority of cases, any side effect you feel will be over within a few days, and there is no reason for concern