Prelims Focus 4th July 2026
Mission Aagaman
In News: The launch window for the maiden test flight of Vikram-1, named Mission Aagaman, will open on July 12, 2026, and extend until August 4, 2026. Skyroot Aerospace made the official announcement on July 2, 2026, confirming that the vehicle is now fully integrated and stacked at the historic First Launch Pad (FLP) of ISRO’s Satish Dhawan Space Centre (SDSC-SHAR) in Sriharikota.
Mission Overview & Key Details
- The Launch Window: Open from July 12 to August 4, 2026, with the exact liftoff date determined by local weather, safety protocols, and final range clearances.
- The Destination Target: The mission plans to reach a 450-kilometre circular Low Earth Orbit (LEO) at a 60-degree inclination.
- Mission Payload: It is a partially commercial flight carrying a blend of domestic and international customer payloads along with internal test instruments.
- Primary Objective: Gather vital in-flight performance data across all major rocket systems, including propulsion, stage separation, guidance, navigation, and control.
Bundibugyo virus (BDBV)
In News: The World Health Organization (WHO) added the first molecular diagnostic test for the Bundibugyo virus (BDBV) to its Emergency Use Listing (EUL) on July 2, 2026. This decision significantly enhances the speed and accuracy of testing during the expanding Ebola outbreak in central Africa.
About Bundibugyo virus (BDBV)
Bundibugyo virus (BDBV) is one of four distinct species of the Orthoebolavirus genus known to cause severe, potentially fatal viral hemorrhagic fever in humans. First identified in 2007 during an outbreak in the Bundibugyo District of Uganda, it is the causative agent behind Bundibugyo virus disease (BVD).
Viral Profile & Classification
- Taxonomy: It belongs to the Filoviridae family under the specific species name Orthoebolavirus bundibugyoense.
- Danger Level: It is classified globally as a Risk Group 4 Pathogen, requiring the highest biosafety containment level (BSL-4) for laboratory handling.
- Historical Mortality: BDBV historically exhibits a case fatality rate (CFR) ranging between 30% and 50%. While devastating, this is lower than the 40% to 90% fatality rates often seen in Zaire ebolavirus outbreaks.
Transmission and Reservoir
- Natural Reservoir: Fruit bats (specifically from the Pteropodidae family) are considered the primary natural reservoir host for the virus.
- Animal-to-Human Spillover: Humans contract the virus initially through direct contact with the blood, organs, or bodily fluids of infected wildlife, such as bats, nonhuman primates, or forest antelopes (often via bushmeat preparation).
- Human-to-Human Spread: The virus is not airborne. It spreads strictly through direct contact with the blood, vomit, feces, urine, saliva, or semen of a symptomatic or deceased infected individual. Contact with contaminated surfaces or clothes also spreads the pathogen.
.png)
