Why Indian astronaut Shubhanshu Shukla has been put into quarantine
Indian astronaut Shubhanshu Shukla has officially entered quarantine along with his three crewmates in preparation for the highly anticipated Axiom Mission-4 (Ax-4) to the International Space Station (ISS).
The mission is scheduled for launch on June 8, 2025 from the Kennedy Space Centre aboard a SpaceX Dragon spacecraft. This critical phase marks a major milestone for both India's space ambitions and the global commercial spaceflight sector.
Before heading into isolation, the Axiom Space employees gathered to celebrate the crew's send-off, a cherished tradition that honours the dedication and tireless efforts of both the astronauts and the entire team supporting the mission.
The #Ax4 crew is on their way to quarantine. Before they go, Axiom Space employees came together to celebrate. Crew Send-off is a tradition that pays tribute to the dedication and tireless efforts of staff prior to the crew embarking on their mission. From #TeamAxiom, Godspeed pic.twitter.com/rzEsjL8utL— Axiom Space (@Axiom_Space) May 25, 2025 WHY QUARANTINE IS ESSENTIAL
Quarantine is a vital pre-launch protocol designed to ensure that astronauts remain in peak health and are free from infections that could jeopardise the mission.
The closed environment of the ISS makes any illness a serious risk—not just to the crew launching, but also to those already aboard the station.
Even minor infections can spread rapidly in microgravity, where astronauts' immune systems are often weakened, potentially threatening mission objectives and safety.
WHAT HAPPENS DURING ASTRONAUT QURANTINE?
The quarantine period typically lasts about 14 days prior to launch. During this time, astronauts and a small support team are isolated in a controlled facility, often located near the launch site.
The protocols include: Strict isolation from the general public to minimize exposure to pathogens
Enhanced hygiene measures, such as frequent handwashing and room ventilation
Daily health monitoring and regular medical checks to detect any symptoms early
Limited physical contact, with support staff also following strict precautions
Final mission briefings and training exercises conducted in isolation
If any crew member develops symptoms, they are further isolated and closely monitored to prevent any risk to the mission.
Shukla's participation as pilot on Ax-4, alongside an international crew, represents the first time an Indian astronaut will visit the ISS.
The experience and knowledge gained are expected to directly benefit India's Gaganyaan human spaceflight program, laying the groundwork for future indigenous missions.
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