Pfizer CEO Albert Bourla said on Tuesday that he believes it is ‘likely’ that a strain of COVID-19 could emerge that is resistant to vaccines.
However, the pharmaceuticals boss claimed that the company would be able to develop a new shot to tackle a vaccine-resistant strain within 95 days of its emergence, Fox News reported.
‘Every time that a variant appears in the world, our scientists are getting their hands around it,’ Bourla said.
‘And they are researching to see if this variant can escape the protection of our vaccine. We haven’t identified any yet, but we believe that it is likely that one day, one of them will emerge.’
He added: ‘We have built a process that within 95 days from the day that we identify a variant as a variant of concern, we will be able to have a vaccine tailor-made against this variant.’
In July, Rochelle Walensky – director of the Centers for Disease Control and Prevention – warned that the coronavirus could mutate and potentially evade vaccines soon.
So-called breakthrough infections among people who’ve had Pfizer’s vaccine – as well as shots from Moderna and Johnson & Johnson have occurred – although they rarely result in serious illness.
However, a virologist at the University of Saskatchewan in Canada told The Telegraph that it was unlikely that the coronavirus could mutate into a vaccine-resistant strain.
‘It would require so many mutations in the spike protein that this virus wouldn’t ‘work’ anymore,’ Angela Rasmussen said.
Other experts recently blasted a ‘fear-mongering’ article warning of a ‘doomsday’ COVID-19 variant which could be worse than Delta.
The doctors emphasized the effectiveness of the jab against the virus and noted that vaccine makers can quickly adjust formulas to make vaccines more effective against variants, Fox News reported.
Their comments come in response to an article in Newsweek Magazine which claimed that the Delta variant has ‘shattered’ optimism that vaccines would help the pandemic wind down.
The Newsweek Magazine article questioned: ‘Is there a Doomsday variant out there that shrugs off vaccines, spreads like wildfire and leaves more of its victims much sicker than anything we’ve yet seen?’
‘The odds are not high that we will see such a triple threat, but experts can’t rule it out,’ the article reads.
The Newsweek Magazine article appears to draw a number of conclusions, including that the pandemic will continue to get worse and may stick around ‘forevermore’ – while continuing to mutate.
‘The next variant could be Delta on steroids,’ warned Michael Osterholm, an epidemiologist.
Osterholm, who leads the Center for Infectious Disease Research and Policy at the University of Minnesota, added that – because of the Delta variant – ‘the number of intensive-care beds needed could be higher than any time we’ve seen.’
He said that an analysis from his team shows that every American who has not been vaccinated or had the disease yet, about 100 million people, will likely get it in the coming months.

News
Ancient DNA sheds light on evolution of relapsing fever bacteria
Researchers at the Francis Crick Institute and UCL have analyzed ancient DNA from Borrelia recurrentis, a type of bacteria that causes relapsing fever, pinpointing when it evolved to spread through lice rather than ticks, and [...]
Cold Sore Virus Linked to Alzheimer’s, Antivirals May Lower Risk
Summary: A large study suggests that symptomatic infection with herpes simplex virus 1 (HSV-1)—best known for causing cold sores—may significantly raise the risk of developing Alzheimer’s disease. Researchers found that people with HSV-1 were 80% [...]
Nanoparticle-Based Combination Therapy for Resistant Melanoma
A recent study published in Small addresses the persistent difficulty of treating refractory melanoma, an aggressive form of skin cancer that often does not respond to existing therapies. Although diagnostic tools and immunotherapies have improved in [...]
Our DNA May Evolve Much Faster Than Previously Thought
Rapidly mutating DNA regions were mapped using a multi-generational family and advanced sequencing tools. Understanding how human DNA changes over generations is crucial for estimating genetic disease risks and tracing our evolutionary history. However, some of [...]
AI therapy may help with mental health, but innovation should never outpace ethics
Mental health services around the world are stretched thinner than ever. Long wait times, barriers to accessing care and rising rates of depression and anxiety have made it harder for people to get timely help. As a result, governments and health care providers are [...]
Global life expectancy plunges as WHO warns of deepening health crisis Post-COVID
The World Health Organization (WHO) has sounded the alarm on the long-term health repercussions of the COVID-19 pandemic in its newly released World Health Statistics Report 2025. The report reveals a staggering decline in global [...]
Researchers map brain networks involved in word retrieval
How are we able to recall a word we want to say? This basic ability, called word retrieval, is often compromised in patients with brain damage. Interestingly, many patients who can name words they [...]
Melting Ice Is Changing the Color of the Ocean – Scientists Are Alarmed
Melting sea ice changes not only how much light enters the ocean, but also its color, disrupting marine photosynthesis and altering Arctic ecosystems in subtle but profound ways. As global warming causes sea ice in the [...]
Your Washing Machine Might Be Helping Antibiotic-Resistant Bacteria Spread
A new study reveals that biofilms in washing machines may contain potential pathogens and antibiotic resistance genes, posing possible risks for laundering healthcare workers’ uniforms at home. Washing healthcare uniforms at home could be [...]
Scientists Discover Hidden Cause of Alzheimer’s Hiding in Plain Sight
Researchers found the PHGDH gene directly causes Alzheimer’s and discovered a drug-like molecule, NCT-503, that may help treat the disease early by targeting the gene’s hidden function. A recent study has revealed that a gene previously [...]
How Brain Cells Talk: Inside the Complex Language of the Human Mind
Introduction The human brain contains nearly 86 billion neurons, constantly exchanging messages like an immense social media network, but neurons do not work alone – glial cells, neurotransmitters, receptors, and other molecules form a vast [...]
Oxford study reveals how COVID-19 vaccines prevent severe illness
A landmark study by scientists at the University of Oxford, has unveiled crucial insights into the way that COVID-19 vaccines mitigate severe illness in those who have been vaccinated. Despite the global success of [...]
Annual blood test could detect cancer earlier and save lives
A single blood test, designed to pick up chemical signals indicative of the presence of many different types of cancer, could potentially thwart progression to advanced disease while the malignancy is still at an early [...]
How the FDA opens the door to risky chemicals in America’s food supply
Lining the shelves of American supermarkets are food products with chemicals linked to health concerns. To a great extent, the FDA allows food companies to determine for themselves whether their ingredients and additives are [...]
Superbug crisis could get worse, killing nearly 40 million people by 2050
The number of lives lost around the world due to infections that are resistant to the medications intended to treat them could increase nearly 70% by 2050, a new study projects, further showing the [...]
How Can Nanomaterials Be Programmed for Different Applications?
Nanomaterials are no longer just small—they are becoming smart. Across fields like medicine, electronics, energy, and materials science, researchers are now programming nanomaterials to behave in intentional, responsive ways. These advanced materials are designed [...]