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2023年11月15日 · The highly transmissible COVID-19 delta variant, also known as B1617.2, was found in India in October 2020. It was the dominant strain in the U.S. and several other countries during the fall of ...
2024年3月8日 · You get protection, or “ immunity ,” from a specific disease when your immune system makes an antibody for it. Natural immunity happens after you get infected by a germ and your immune system ...
- Evan Starkman
2022年10月3日 · Meningococcal disease can include meningitis -- a serious, potentially life-threatening inflammation of the membranes covering the brain and spinal cord -- and/or a life-threatening blood ...
2023年12月19日 · This is the most common transmission. When an infected person coughs, sneezes, or talks, droplets or tiny particles called aerosols carry the virus into the air from their nose or mouth. Anyone ...
2022年11月29日 · For most adults, the benefits of the MMR vaccine outweigh the risks. A few people develop a short-term mild rash, fever, swollen glands, or pain and stiffness in the joints after getting the shot ...
2023年11月10日 · They tend to include sore throat, runny nose, and other symptoms similar to a cold. They may not include lower respiratory tract symptoms such as wheezing, severe cough, or fever. COVID-19 ...
2022年12月9日 · But some people have mild side effects from the vaccine, including: Swelling, soreness, or redness where you got the shot. Mild fever. Fussiness or irritability. Loss of appetite. Sore muscles ...
