![Araceli Rosario Hidalgo, 96, was the first person to be vaccinated in Spain.](https://imagenes.elpais.com/resizer/v2/HA277FLL4JLA5OXIVNO2B3P2GY.jpg?auth=cd500a99fa51969eec16ee0616e2fc25447d5f4e0b5796bba50a2c708db055e0&width=414&height=311&smart=true)
Is a fourth Covid vaccine dose necessary?
Booster shots should be planned to coincide with times of the year when there is greater risk
Booster shots should be planned to coincide with times of the year when there is greater risk
The move would formally restructure the federal coronavirus response to treat the virus as an endemic threat to public health
The Spanish researcher believes that the Asian country has made a mistake in going from a zero-Covid policy to a nearly unrestricted one, as its population has low vaccination coverage
On guidance from the CDC and amid concern over Beijing’s management of a new coronavirus outbreak, negative tests will be required at US airports from January
After three years of iron-fisted containment measures and recent backtracking on its zero-Covid policy, government officials and state media are now downplaying the risk of the virus
A new study in fruit flies has found that blue light, which is emitted by electronic devices, can be hazardous to health
How blank sheets became a symbol of protest against government censorship
In a rare sight, protesters were heard calling for the resignation of the Chinese president and criticizing the Communist Party
Trials in rodents and ferrets show that it protects against all known versions of the virus by using the same technique that has been effective against Covid-19
The Democrats have already given first approval to the legislation that will release this second tranche of funding, despite opposition from Republicans who want to lower the payments
The risk of contagion is highest in indoor spaces but can be reduced by applying all available measures to combat infection via aerosols. Here is an overview of the likelihood of infection in three everyday scenarios, based on the safety measures used and the length of exposure
Look up your street address to find out what falls within a one-kilometer radius of your home, which is the limit set for accompanied walks with under-14s
The kits will first be sent out to health workers and then residences for seniors, before being rolled out to the rest of the population
Interior Minister Fernando Grande-Marlaska says only Spaniards, residents and citizens who cite force majeure will be able to enter national territory from midnight