Coronavirus is a group of RNA viruses that affect mammals and birds. It infects the wind pipe and lungs of humans and birds ...

These differences also depend on the type of infection. Infection occurs when an organism, such as a virus or bacterium, invades the body. The infectious agent rapidly multiplies in the body’s ...

Karnataka records its first COVID-19 death of 2025 as Bengaluru sees a rise in cases. Health officials ramp up testing and ...

The common cold may cause ear pain due to congestion or a complication of the infection. Over-the-counter and medical treatments may help relieve ear pain. The common cold occurs when a virus ...

The symptoms do not appear until 10 to 14 days after someone is exposed to the virus and can appear as late as 21 days after exposure. Measles is highly contagious and can spread from one person ...

The symptoms do not appear until 10 to 14 days after someone is exposed to the virus and can appear as late as 21 days after exposure. Measles is highly contagious and can spread from one person ...

Genomic epidemiology studies have indicated southern Africa as likely sources of emergence of six Omicron lineages since November 2021. Here, the authors trace the geographic origins and ...

May 27, 2025 — A new study reveals the biological secret to the Zika virus's infectious success: Zika uses host cells' own 'self-care' system of clearing away useless molecules to suppress the ...