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Krypton is not a metal
Sir Ronald Ross was a British medical doctor who received the Nobel Prize for Physiology or Medicine in 1902 for his work on the transmission of malaria, becoming the first British Nobel laureate, and the first born outside Europe. He was born in Almora, Uttarakhand.
Piezoelectricity is the electric charge that accumulates in certain solid materials in response to applied mechanical stress. The word piezoelectricity means electricity resulting from pressure and latent heat. The piezoelectric effect can be used to detect as well as generate ultrasonic waves.
Except AB+, all others are vaccines or stratergies used to tackle diseases.
DPT – it is a class of combination vaccines against three infectious diseases in humans: diphtheria, pertussis (whooping cough), and tetanus.
DOTS – Stands for Directly Observed Treatment, Short-course. DOTS is a strategy used to reduce the number of tuberculosis (TB) cases.
MMR – It is a vaccine against measles, mumps, and rubella.
AB+ is a blood group, This blood group is universal recipient. Which means it can recieve blood from any type.
The first polio vaccine was the inactivated polio vaccine. It was developed by Jonas Salk and came into use in 1955. The oral polio vaccine was developed by Albert Sabin and came into commercial use in 1961.