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Covid-19 infection causes changes to sperm in mice that may increase anxiety in their offspring, according to Australian researchers

Covid virus changes sperm in mice, may raise anxiety in offspring: study

11 October 2025

An Aedes aegypti mosquito, the transmitter of dengue, Zika and chikungunya, is seen through a microscope

Chikungunya in China: What you need to know

06 August 2025

A woman dressed in traditional Mennonite clothing walks through the downtown of Aylmer, Canada in July

In rural Canadian town, new risk of measles deepens vaccine tensions

18 July 2025

A pharmacy advertises the COVID-19 vaccine as the nation marks the fifth anniversary of the Covid-19 pandemic on March 13, 2025 in New York City

US to limit Covid boosters to over-65s or those at high risk

20 May 2025

The photo on the White House page.

White House touts Covid-19 'lab leak' theory on revamped site

19 April 2025

WHO head Tedros Adhanom Ghebreyesus jolted world leaders into action on Covid on March 11, 2020

Five years ago, WHO's pandemic call shook world into action

10 March 2025