It can remain active as an aerosol for up to three hours, and the droplets can travel farther than scientists realised.

pre-germ-theory environmental sanitation efforts. COVID-19, syphilis, HIV/AIDS and tuberculosis show that while biomedical breakthroughs are necessary to eliminate epidemic diseases, sustained focus ...

About 1.22 million people have died of COVID in the U.S., CDC data shows. Tuesday marks five years since the World Health Organization (WHO) declared the global outbreak of COVID-19 to be a pandemic.

Will getting the vaccines to prevent pneumonia and flu prevent COVID-19? No. Vaccines are made to protect against a specific germ. So pneumococcal vaccination protects against pneumonia.

With the acute phase of the Covid-19 pandemic fading even as the coronavirus persists and evolves, a new normal is taking shape around the world. “It still feels kind of incomplete,” said ...

Five years ago on Tuesday, the World Health Organization declared COVID-19 a global pandemic, and the impact of the virus and policies that followed are still being felt to this day. The germ didn ...

Five years ago, on March 11, 2020, the World Health Organization declared COVID-19 a pandemic. Whether it still is depends on who you ask. There are no clear criteria to mark the end of a pandemic ...

So for any given germ, T cells and B cells see it differently ... And we are still learning about our adaptive immune response to the novel coronavirus. The virus can be pictured as a small spiky ball ...

After months of waiting as pediatric COVID-19 cases soared ... children have an extra layer of protection against this awful germ." Plus, Murray says, by vaccinating children, they're helping ...

pre-germ-theory environmental sanitation efforts. COVID-19, syphilis, HIV/AIDS and tuberculosis show that while biomedical breakthroughs are necessary to eliminate epidemic diseases, sustained ...