Explained: Covid vaccines in cancer patients

By Dr. Dhaneshwor Naorem
May 25, 2021

The COVID-19 pandemic, continues to impact many people, including cancer patients, their families, and caregivers.Vaccines help a person’s immune system to recognize and protect the body against infections. COVID-19 vaccines have been found to significantly lower the risk of getting infected with COVID-19, lower the risk of having severe disease, being hospitalized, or dying from COVID-19 if one gets infected. 

Here we’ll discuss some frequently asked questions by people with cancer or a history of previous cancer have about the COVID-19 vaccines.

1) Should cancer patients and survivors take the COVID-19 vaccine?

Patients with cancer or a history of cancer should get the COVID -19 vaccine whenever available. Many expert medical groups recommend patients with a recent cancer diagnosis and those on treatment should be given the highest priority. This is because cancer and its treatment can weaken the immune system putting such patients at risk for severe COVID-19 disease. Caregivers and household members of cancer patients should also be immunized whenever possible.

2) Is it safe for cancer patients to receive the COVID-19 vaccine?

At present, there is a lack of data regarding the safety and efficacy of COVID-19 vaccination in cancer patients. Numerous studies have shown that cancer patients are at higher risk for more severe COVID-19 disease and complications. There are no reports of increased risk for side effects of the vaccine in cancer patients. The risks of COVID-19 for cancer patients outweigh the very low risk of vaccination. Because of these, oncology groups including the American Society of Clinical Oncology (ASCO), the American Society of Hematology (ASH), and the American Society for Radiation Oncology have all recommended patients with cancer get vaccinated.

3) Is there any specific approved COVID-19 vaccine for cancer patients?

At this time, no major medical organizations have recommended getting one type of COVID vaccine over another, either for cancer patients or for other people. Health experts believe that getting the vaccine once it becomes available, whichever one it is, is most important, rather than waiting to get a specific vaccine. 

4) What are the side effects of the vaccines?

Common side effects that have been reported after getting the vaccines to include:
• Pain, redness, or swelling at the injection site
• Feeling tired
• Headache
• Fever
• Chills
• Muscle and joint pain
• Nausea

The incidence or the nature of side effects in cancer patients and survivors had been reported to be similar to with the general population. 

Some people (16%) might develop swelling or pain under the vaccinated arm. This is often a normal response by the body’s immune system to the vaccine. A swollen lymph node under the arm might cause concern since this can also be a sign of breast cancer spread.

Oncologists recommend that patients with breast cancer or a history of breast cancer get the vaccine in the arm on the unaffected side.

5) Are there any exceptions for COVID-19 vaccination among cancer patients?

There are few exceptions:

a) Vaccination should be delayed for at least 3 months following bone marrow transplantation and engineered cellular therapy to maximize vaccine efficacy.

b) Vaccination in patients undergoing intensive chemotherapy should be delayed until neutrophil count recovery.

c) Patients undergoing major surgery for cancer should have a gap of few days in-between.

In patients undergoing chemotherapy, the optimum timing for vaccination about the chemotherapy cycle is still unclear. The difference in the efficacy of the COVID-19 vaccine in terms of its immunogenic potential i.e. ability to generate antibodies against coronavirus- SARS-COV-2, when administered along with chemotherapy versus mid-cycle, is still unknown. In absence of robust data, the National Comprehensive Cancer Network (NCCN) for now recommends vaccination when available.

6) Will vaccination affect my cancer-related tests and scans?

Getting a COVID-19 vaccine might result in swollen lymph nodes under the arm in which the injection was given. Swollen lymph nodes might show up on a CT Scan or mammogram is done for breast cancer or other cancers, causing concern and confusion. It is important to communicate with your doctor if you are scheduled to get an imaging test (such as an MRI or CT scan) in the weeks after getting a COVID vaccine. 

7) Do I still need to take precautions if I get the COVID-19 vaccine?

While the vaccine can lower the risk of getting a serious disease from COVID, it doesn’t completely rule out the possibility of getting infected by the virus. It is also not yet clear how well vaccines can prevent the spread of the virus to others. Here it will be appropriate to mention that data tracking the immune response in patients with cancer who have been vaccinated are still evolving. Therefore, even after vaccination, it is advised that everyone continue to follow all COVID-19 prevention protocols.

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News Network
December 15,2025

Mangaluru, Dec 15: Air India Express has announced that it will resume direct flight services between Mangaluru and Muscat from March 2026, restoring an important international air link for passengers from the coastal region.

Airport authorities said the service will operate twice a week—on Sundays and Tuesdays—from March 1. The initial flights are scheduled on March 3, 8 and 10, followed by March 15 and 17, with the same operating pattern to continue thereafter. The flight duration is approximately three hours and 25 minutes.

The Mangaluru–Muscat route was earlier operated under the 2025 summer schedule, with services beginning on July 14. At that time, Air India Express had operated four flights a week before suspending the service.

Officials said the summer schedule will come into effect from March 29, after which changes in flight timings and departure schedules from Mangaluru are expected. Passengers have been advised to check the latest schedules while planning their travel.

The resumption of direct flights to Muscat is expected to significantly benefit expatriates, business travellers and others, further strengthening Mangaluru’s air connectivity with the Gulf region.

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News Network
December 5,2025

indigoCEO.jpg

New Delhi, Dec 5: IndiGo CEO Pieter Elbers issued a public apology this evening after more than a thousand flights were cancelled today, making it the "most severely impacted day" in terms of cancellations. The biggest airline of the country cancelled "more than half" of its daily number of flights on Friday, said Elbers. He also said that even though the crisis will persist on Saturday, the airline anticipates fewer than 1,000 flight cancellations.

"Full normalisation is expected between December 10 and 15, though IndiGo cautions that recovery will take time due to the scale of operations," the IndiGo CEO said. 

IndiGo operates around 2,300 domestic and international flights daily.

Pieter Elbers, while apologising for the major inconvenience due to delays and cancellations, said the situation is a result of various causes.

The crisis at IndiGo stems from new regulations that boost pilots' weekly rest requirements by 12 hours to 48 and allow only two night-time landings per week, down from six. IndiGo has attributed the mass cancellations to "misjudgment and planning gaps".

Elbers also listed three lines of action that the airline will adopt to address the issue.

"Firstly, customer communication and addressing your needs, for this, messages have been sent on social media. And just now, a more detailed communication with information, refunds, cancellations and other customer support measures was sent," he said.

The airline has also stepped up its call centre capacity.

"Secondly, due to yesterday's situation, we had customers stranded mostly at the nation's largest airports. Our focus was for all of them to be able to travel today itself, which will be achieved. For this, we also ask customers whose flights are cancelled not to come to the airports as notifications are sent," the CEO said.

"Thirdly, cancellations were made for today to align our crew and planes to be where they need to start tomorrow morning afresh. Earlier measures of the last few days, regrettable, have proven not to be enough, but we have decided today to reboot all our systems and schedules, resulting in the highest numbers of cancellations so far, but imperative for progressive improvements starting from tomorrow," he added.

As airports witnessed chaotic scenes, the Directorate General of Civil Aviation (DGCA) stepped in to grant IndiGo a temporary exemption from stricter night duty rules for pilots. It also allowed substitution of leaves with a weekly rest period. 

Civil Aviation Minister Ram Mohan Naidu has said a high-level inquiry will be ordered and accountability will be fixed.

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News Network
December 4,2025

Mangaluru: Chaos erupted at Mangaluru International Airport (MIA) after IndiGo flight 6E 5150, bound for Mumbai, was repeatedly delayed and ultimately cancelled, leaving around 100 passengers stranded overnight. The incident highlights the ongoing country-wide operational disruptions affecting the airline, largely due to the implementation of new Flight Duty Time Limitations (FDTL) norms for crew.

The flight was initially scheduled for 9:25 PM on Tuesday but was first postponed to 11:40 PM, then midnight, before being cancelled around 3:00 AM. Passengers expressed frustration over last-minute communication and the lack of clarity, with elderly and ailing travellers particularly affected. “Though the airline arranged food, there was no proper communication, leaving us confused,” said one family member.

An IndiGo executive at MIA cited the FDTL rules, designed to prevent pilot fatigue by limiting crew working hours, as the cause of the cancellation. While alternative arrangements, including hotel stays, were offered, about 100 passengers chose to remain at the airport, creating tension. A replacement flight was arranged but also faced delays due to the same constraints, finally departing for Mumbai around 1:45 PM on Wednesday. Passengers either flew, requested refunds, or postponed their travel.

The Mangaluru delay is part of a broader crisis for IndiGo. The airline has been forced to make “calibrated schedule adjustments”—a euphemism for widespread cancellations and delays—after stricter FDTL norms came into effect on November 1.

While an IndiGo spokesperson acknowledged unavoidable flight disruptions due to technology issues, operational requirements, and the updated crew rostering rules, the DGCA has intervened, summoning senior airline officials to explain the chaos and outline corrective measures.

The ripple effect has been felt across the country, with major hubs like Bengaluru and Mumbai reporting numerous cancellations. The Mangaluru incident underscores the systemic operational strain currently confronting India’s largest carrier, leaving passengers nationwide grappling with uncertainty and delays.

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